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Finding the Fourth Proportional to 16,487.87, 22,753.22 and 8,934.19

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Solution

The fourth proportional to 16,487.87, 22,753.22 and 8,934.19 is: 12,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.87 : 22,753.22 = 8,934.19 : x
  2. Step 2: Convert to fraction form
    16,487.87/22,753.22 = 8,934.19/x
  3. Step 3: Cross multiply
    16,487.87x = 22,753.22 × 8,934.19
  4. Step 4: Simplify right side
    16,487.87x = 203,281,489.04
  5. Step 5: Solve for x
    x = 203,281,489.04/16,487.87
  6. Step 6: Final answer
    x = 12,329.16

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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.