Home / 16,221.60-22,374.29-10,545.88

Finding the Fourth Proportional to 16,221.60, 22,374.29 and 10,545.88

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Solution

The fourth proportional to 16,221.60, 22,374.29 and 10,545.88 is: 14,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.60 : 22,374.29 = 10,545.88 : x
  2. Step 2: Convert to fraction form
    16,221.60/22,374.29 = 10,545.88/x
  3. Step 3: Cross multiply
    16,221.60x = 22,374.29 × 10,545.88
  4. Step 4: Simplify right side
    16,221.60x = 235,956,577.43
  5. Step 5: Solve for x
    x = 235,956,577.43/16,221.60
  6. Step 6: Final answer
    x = 14,545.83

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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.