Home / 16,560.28-22,854.30-9,108.76

Finding the Fourth Proportional to 16,560.28, 22,854.30 and 9,108.76

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Solution

The fourth proportional to 16,560.28, 22,854.30 and 9,108.76 is: 12,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.28 : 22,854.30 = 9,108.76 : x
  2. Step 2: Convert to fraction form
    16,560.28/22,854.30 = 9,108.76/x
  3. Step 3: Cross multiply
    16,560.28x = 22,854.30 × 9,108.76
  4. Step 4: Simplify right side
    16,560.28x = 208,174,333.67
  5. Step 5: Solve for x
    x = 208,174,333.67/16,560.28
  6. Step 6: Final answer
    x = 12,570.70

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Half scale
Find fourth proportional to 33,120.56, 45,708.60 and 18,217.52
Double scale
Find fourth proportional to 16,561.28, 22,855.68 and 9,109.76
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.