Home / 18,107.54-27,167.21-8,748.62

Finding the Fourth Proportional to 18,107.54, 27,167.21 and 8,748.62

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Solution

The fourth proportional to 18,107.54, 27,167.21 and 8,748.62 is: 13,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.54 : 27,167.21 = 8,748.62 : x
  2. Step 2: Convert to fraction form
    18,107.54/27,167.21 = 8,748.62/x
  3. Step 3: Cross multiply
    18,107.54x = 27,167.21 × 8,748.62
  4. Step 4: Simplify right side
    18,107.54x = 237,675,553.01
  5. Step 5: Solve for x
    x = 237,675,553.01/18,107.54
  6. Step 6: Final answer
    x = 13,125.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.