Home / 19,892.97-27,452.27-11,397.85

Finding the Fourth Proportional to 19,892.97, 27,452.27 and 11,397.85

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Solution

The fourth proportional to 19,892.97, 27,452.27 and 11,397.85 is: 15,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.97 : 27,452.27 = 11,397.85 : x
  2. Step 2: Convert to fraction form
    19,892.97/27,452.27 = 11,397.85/x
  3. Step 3: Cross multiply
    19,892.97x = 27,452.27 × 11,397.85
  4. Step 4: Simplify right side
    19,892.97x = 312,896,855.62
  5. Step 5: Solve for x
    x = 312,896,855.62/19,892.97
  6. Step 6: Final answer
    x = 15,729.02

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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.