Home / 16,190.06-22,337.13-9,115.11

Finding the Fourth Proportional to 16,190.06, 22,337.13 and 9,115.11

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Solution

The fourth proportional to 16,190.06, 22,337.13 and 9,115.11 is: 12,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.06 : 22,337.13 = 9,115.11 : x
  2. Step 2: Convert to fraction form
    16,190.06/22,337.13 = 9,115.11/x
  3. Step 3: Cross multiply
    16,190.06x = 22,337.13 × 9,115.11
  4. Step 4: Simplify right side
    16,190.06x = 203,605,397.03
  5. Step 5: Solve for x
    x = 203,605,397.03/16,190.06
  6. Step 6: Final answer
    x = 12,575.95

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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.