Home / 25,170.59-34,721.75-15,607.25

Finding the Fourth Proportional to 25,170.59, 34,721.75 and 15,607.25

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Solution

The fourth proportional to 25,170.59, 34,721.75 and 15,607.25 is: 21,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.59 : 34,721.75 = 15,607.25 : x
  2. Step 2: Convert to fraction form
    25,170.59/34,721.75 = 15,607.25/x
  3. Step 3: Cross multiply
    25,170.59x = 34,721.75 × 15,607.25
  4. Step 4: Simplify right side
    25,170.59x = 541,910,781.04
  5. Step 5: Solve for x
    x = 541,910,781.04/25,170.59
  6. Step 6: Final answer
    x = 21,529.53

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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.