Home / 22,523.28-31,082.68-12,451.86

Finding the Fourth Proportional to 22,523.28, 31,082.68 and 12,451.86

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Solution

The fourth proportional to 22,523.28, 31,082.68 and 12,451.86 is: 17,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,523.28 : 31,082.68 = 12,451.86 : x
  2. Step 2: Convert to fraction form
    22,523.28/31,082.68 = 12,451.86/x
  3. Step 3: Cross multiply
    22,523.28x = 31,082.68 × 12,451.86
  4. Step 4: Simplify right side
    22,523.28x = 387,037,179.78
  5. Step 5: Solve for x
    x = 387,037,179.78/22,523.28
  6. Step 6: Final answer
    x = 17,183.87

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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.