the first second and Fourth terms of proportion are 12,84,21 respectively find third term

The first, second and fourth terms of a proportion are 6, 18 and 25 respectively. Find the third term.

If the first,second and fourth terms of a proportion are 24,21 and 14 respectively,then the third term is

The first, second and fourth terms of a proportion are 5,15 and 90 respectively. Find the third term.

The first,second and fourth terms of a proportion are 6,18 and 25 respectively.

If first, second and fourth terms of a proportion are 1/2, 1/3 and 1/6 respectively, find its third term.

The first, second and fouth terms of a proportional are 5,15and 90 respectively. Find the third term.

The first, third and fourth terms of a proportion are 12, 8 and 14 respectively. Find the second term.

Find x if 4, 6, x, 18 are in proportion 3. The first, third and fourth terms of a proportion are 12.8 and 14 respectively. Find the second term.