Home / 25,187.31-37,789.16-12,040.70

Finding the Fourth Proportional to 25,187.31, 37,789.16 and 12,040.70

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Solution

The fourth proportional to 25,187.31, 37,789.16 and 12,040.70 is: 18,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.31 : 37,789.16 = 12,040.70 : x
  2. Step 2: Convert to fraction form
    25,187.31/37,789.16 = 12,040.70/x
  3. Step 3: Cross multiply
    25,187.31x = 37,789.16 × 12,040.70
  4. Step 4: Simplify right side
    25,187.31x = 455,007,689.66
  5. Step 5: Solve for x
    x = 455,007,689.66/25,187.31
  6. Step 6: Final answer
    x = 18,064.96

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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.