Home / 20,194.62-27,869.88-13,475.97

Finding the Fourth Proportional to 20,194.62, 27,869.88 and 13,475.97

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Solution

The fourth proportional to 20,194.62, 27,869.88 and 13,475.97 is: 18,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.62 : 27,869.88 = 13,475.97 : x
  2. Step 2: Convert to fraction form
    20,194.62/27,869.88 = 13,475.97/x
  3. Step 3: Cross multiply
    20,194.62x = 27,869.88 × 13,475.97
  4. Step 4: Simplify right side
    20,194.62x = 375,573,666.78
  5. Step 5: Solve for x
    x = 375,573,666.78/20,194.62
  6. Step 6: Final answer
    x = 18,597.71

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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.