Home / 16,920.52-25,380.54-16,502.20

Finding the Fourth Proportional to 16,920.52, 25,380.54 and 16,502.20

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Solution

The fourth proportional to 16,920.52, 25,380.54 and 16,502.20 is: 24,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.52 : 25,380.54 = 16,502.20 : x
  2. Step 2: Convert to fraction form
    16,920.52/25,380.54 = 16,502.20/x
  3. Step 3: Cross multiply
    16,920.52x = 25,380.54 × 16,502.20
  4. Step 4: Simplify right side
    16,920.52x = 418,834,747.19
  5. Step 5: Solve for x
    x = 418,834,747.19/16,920.52
  6. Step 6: Final answer
    x = 24,753.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.