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Finding the Fourth Proportional to 18,093.11, 27,140.02 and 11,892.65

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Solution

The fourth proportional to 18,093.11, 27,140.02 and 11,892.65 is: 17,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.11 : 27,140.02 = 11,892.65 : x
  2. Step 2: Convert to fraction form
    18,093.11/27,140.02 = 11,892.65/x
  3. Step 3: Cross multiply
    18,093.11x = 27,140.02 × 11,892.65
  4. Step 4: Simplify right side
    18,093.11x = 322,766,758.85
  5. Step 5: Solve for x
    x = 322,766,758.85/18,093.11
  6. Step 6: Final answer
    x = 17,839.21

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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.