Home / 25,538.50-38,343.29-13,067.13

Finding the Fourth Proportional to 25,538.50, 38,343.29 and 13,067.13

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Solution

The fourth proportional to 25,538.50, 38,343.29 and 13,067.13 is: 19,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538.50 : 38,343.29 = 13,067.13 : x
  2. Step 2: Convert to fraction form
    25,538.50/38,343.29 = 13,067.13/x
  3. Step 3: Cross multiply
    25,538.50x = 38,343.29 × 13,067.13
  4. Step 4: Simplify right side
    25,538.50x = 501,036,689.72
  5. Step 5: Solve for x
    x = 501,036,689.72/25,538.50
  6. Step 6: Final answer
    x = 19,618.88

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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.