Home / 25,067.31-37,601.88-8,427.90

Finding the Fourth Proportional to 25,067.31, 37,601.88 and 8,427.90

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Solution

The fourth proportional to 25,067.31, 37,601.88 and 8,427.90 is: 12,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,067.31 : 37,601.88 = 8,427.90 : x
  2. Step 2: Convert to fraction form
    25,067.31/37,601.88 = 8,427.90/x
  3. Step 3: Cross multiply
    25,067.31x = 37,601.88 × 8,427.90
  4. Step 4: Simplify right side
    25,067.31x = 316,904,884.45
  5. Step 5: Solve for x
    x = 316,904,884.45/25,067.31
  6. Step 6: Final answer
    x = 12,642.16

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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.