Home / 15,655.54-23,480.82-5,125.46

Finding the Fourth Proportional to 15,655.54, 23,480.82 and 5,125.46

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Solution

The fourth proportional to 15,655.54, 23,480.82 and 5,125.46 is: 7,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.54 : 23,480.82 = 5,125.46 : x
  2. Step 2: Convert to fraction form
    15,655.54/23,480.82 = 5,125.46/x
  3. Step 3: Cross multiply
    15,655.54x = 23,480.82 × 5,125.46
  4. Step 4: Simplify right side
    15,655.54x = 120,350,003.68
  5. Step 5: Solve for x
    x = 120,350,003.68/15,655.54
  6. Step 6: Final answer
    x = 7,687.37

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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.