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Finding the Fourth Proportional to 16,425.60, 24,669.12 and 13,963.20

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Solution

The fourth proportional to 16,425.60, 24,669.12 and 13,963.20 is: 20,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.60 : 24,669.12 = 13,963.20 : x
  2. Step 2: Convert to fraction form
    16,425.60/24,669.12 = 13,963.20/x
  3. Step 3: Cross multiply
    16,425.60x = 24,669.12 × 13,963.20
  4. Step 4: Simplify right side
    16,425.60x = 344,459,856.38
  5. Step 5: Solve for x
    x = 344,459,856.38/16,425.60
  6. Step 6: Final answer
    x = 20,970.91

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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.