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Finding the Fourth Proportional to 16,614.30, 24,921.45 and 9,615.90

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Solution

The fourth proportional to 16,614.30, 24,921.45 and 9,615.90 is: 14,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,614.30 : 24,921.45 = 9,615.90 : x
  2. Step 2: Convert to fraction form
    16,614.30/24,921.45 = 9,615.90/x
  3. Step 3: Cross multiply
    16,614.30x = 24,921.45 × 9,615.90
  4. Step 4: Simplify right side
    16,614.30x = 239,642,171.06
  5. Step 5: Solve for x
    x = 239,642,171.06/16,614.30
  6. Step 6: Final answer
    x = 14,423.85

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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.