A tractor uses up 12 litres of diesel while ploughing 3 acres of land. How much diesel will be needed to plough 19 acres of land ?

Explanation

To solve the problem step by step, we will use the concept of ratio and proportion.

### Step 1: Understand the given information
The tractor uses 12 liters of diesel to plough 3 acres of land. We need to find out how much diesel (let's call it X liters) is required to plough 19 acres of land.

### Step 2: Set up the proportion
We can set up a proportion based on the information given:
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