Home / 16,295.15-22,488.19-9,920.73

Finding the Fourth Proportional to 16,295.15, 22,488.19 and 9,920.73

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Solution

The fourth proportional to 16,295.15, 22,488.19 and 9,920.73 is: 13,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,295.15 : 22,488.19 = 9,920.73 : x
  2. Step 2: Convert to fraction form
    16,295.15/22,488.19 = 9,920.73/x
  3. Step 3: Cross multiply
    16,295.15x = 22,488.19 × 9,920.73
  4. Step 4: Simplify right side
    16,295.15x = 223,099,261.18
  5. Step 5: Solve for x
    x = 223,099,261.18/16,295.15
  6. Step 6: Final answer
    x = 13,691.14

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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.