Home / 16,659.68-22,989.58-9,105.76

Finding the Fourth Proportional to 16,659.68, 22,989.58 and 9,105.76

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Solution

The fourth proportional to 16,659.68, 22,989.58 and 9,105.76 is: 12,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.68 : 22,989.58 = 9,105.76 : x
  2. Step 2: Convert to fraction form
    16,659.68/22,989.58 = 9,105.76/x
  3. Step 3: Cross multiply
    16,659.68x = 22,989.58 × 9,105.76
  4. Step 4: Simplify right side
    16,659.68x = 209,337,597.98
  5. Step 5: Solve for x
    x = 209,337,597.98/16,659.68
  6. Step 6: Final answer
    x = 12,565.52

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Double scale
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Similar ratio
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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.