Home / 16,781.14-23,158.36-9,227.89

Finding the Fourth Proportional to 16,781.14, 23,158.36 and 9,227.89

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Solution

The fourth proportional to 16,781.14, 23,158.36 and 9,227.89 is: 12,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.14 : 23,158.36 = 9,227.89 : x
  2. Step 2: Convert to fraction form
    16,781.14/23,158.36 = 9,227.89/x
  3. Step 3: Cross multiply
    16,781.14x = 23,158.36 × 9,227.89
  4. Step 4: Simplify right side
    16,781.14x = 213,702,787.24
  5. Step 5: Solve for x
    x = 213,702,787.24/16,781.14
  6. Step 6: Final answer
    x = 12,734.70

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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.