Home / 25,174.12-34,731.64-15,610.56

Finding the Fourth Proportional to 25,174.12, 34,731.64 and 15,610.56

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Solution

The fourth proportional to 25,174.12, 34,731.64 and 15,610.56 is: 21,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.12 : 34,731.64 = 15,610.56 : x
  2. Step 2: Convert to fraction form
    25,174.12/34,731.64 = 15,610.56/x
  3. Step 3: Cross multiply
    25,174.12x = 34,731.64 × 15,610.56
  4. Step 4: Simplify right side
    25,174.12x = 542,180,350.12
  5. Step 5: Solve for x
    x = 542,180,350.12/25,174.12
  6. Step 6: Final answer
    x = 21,537.21

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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.