Home / 16,220.66-22,390.11-9,508.46

Finding the Fourth Proportional to 16,220.66, 22,390.11 and 9,508.46

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Solution

The fourth proportional to 16,220.66, 22,390.11 and 9,508.46 is: 13,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.66 : 22,390.11 = 9,508.46 : x
  2. Step 2: Convert to fraction form
    16,220.66/22,390.11 = 9,508.46/x
  3. Step 3: Cross multiply
    16,220.66x = 22,390.11 × 9,508.46
  4. Step 4: Simplify right side
    16,220.66x = 212,895,353.38
  5. Step 5: Solve for x
    x = 212,895,353.38/16,220.66
  6. Step 6: Final answer
    x = 13,124.95

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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.