Home / 13,562.75-20,331.30-10,225.82

Finding the Fourth Proportional to 13,562.75, 20,331.30 and 10,225.82

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Solution

The fourth proportional to 13,562.75, 20,331.30 and 10,225.82 is: 15,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.75 : 20,331.30 = 10,225.82 : x
  2. Step 2: Convert to fraction form
    13,562.75/20,331.30 = 10,225.82/x
  3. Step 3: Cross multiply
    13,562.75x = 20,331.30 × 10,225.82
  4. Step 4: Simplify right side
    13,562.75x = 207,904,214.17
  5. Step 5: Solve for x
    x = 207,904,214.17/13,562.75
  6. Step 6: Final answer
    x = 15,329.06

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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.