Home / 15,024.96-20,742.12-11,660.04

Finding the Fourth Proportional to 15,024.96, 20,742.12 and 11,660.04

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Solution

The fourth proportional to 15,024.96, 20,742.12 and 11,660.04 is: 16,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.96 : 20,742.12 = 11,660.04 : x
  2. Step 2: Convert to fraction form
    15,024.96/20,742.12 = 11,660.04/x
  3. Step 3: Cross multiply
    15,024.96x = 20,742.12 × 11,660.04
  4. Step 4: Simplify right side
    15,024.96x = 241,853,948.88
  5. Step 5: Solve for x
    x = 241,853,948.88/15,024.96
  6. Step 6: Final answer
    x = 16,096.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.