Home / 25,538.74-38,331.29-13,067.38

Finding the Fourth Proportional to 25,538.74, 38,331.29 and 13,067.38

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Solution

The fourth proportional to 25,538.74, 38,331.29 and 13,067.38 is: 19,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538.74 : 38,331.29 = 13,067.38 : x
  2. Step 2: Convert to fraction form
    25,538.74/38,331.29 = 13,067.38/x
  3. Step 3: Cross multiply
    25,538.74x = 38,331.29 × 13,067.38
  4. Step 4: Simplify right side
    25,538.74x = 500,889,466.98
  5. Step 5: Solve for x
    x = 500,889,466.98/25,538.74
  6. Step 6: Final answer
    x = 19,612.93

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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.