Home / 20,093.13-27,729.92-11,141.46

Finding the Fourth Proportional to 20,093.13, 27,729.92 and 11,141.46

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Solution

The fourth proportional to 20,093.13, 27,729.92 and 11,141.46 is: 15,375.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.13 : 27,729.92 = 11,141.46 : x
  2. Step 2: Convert to fraction form
    20,093.13/27,729.92 = 11,141.46/x
  3. Step 3: Cross multiply
    20,093.13x = 27,729.92 × 11,141.46
  4. Step 4: Simplify right side
    20,093.13x = 308,951,738.78
  5. Step 5: Solve for x
    x = 308,951,738.78/20,093.13
  6. Step 6: Final answer
    x = 15,375.99

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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.