Home / 25,161.62-34,691.01-15,726.74

Finding the Fourth Proportional to 25,161.62, 34,691.01 and 15,726.74

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Solution

The fourth proportional to 25,161.62, 34,691.01 and 15,726.74 is: 21,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.62 : 34,691.01 = 15,726.74 : x
  2. Step 2: Convert to fraction form
    25,161.62/34,691.01 = 15,726.74/x
  3. Step 3: Cross multiply
    25,161.62x = 34,691.01 × 15,726.74
  4. Step 4: Simplify right side
    25,161.62x = 545,576,494.61
  5. Step 5: Solve for x
    x = 545,576,494.61/25,161.62
  6. Step 6: Final answer
    x = 21,682.88

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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.