Home / 15,163.54-22,755.67-5,302.80

Finding the Fourth Proportional to 15,163.54, 22,755.67 and 5,302.80

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Solution

The fourth proportional to 15,163.54, 22,755.67 and 5,302.80 is: 7,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.54 : 22,755.67 = 5,302.80 : x
  2. Step 2: Convert to fraction form
    15,163.54/22,755.67 = 5,302.80/x
  3. Step 3: Cross multiply
    15,163.54x = 22,755.67 × 5,302.80
  4. Step 4: Simplify right side
    15,163.54x = 120,668,753.62
  5. Step 5: Solve for x
    x = 120,668,753.62/15,163.54
  6. Step 6: Final answer
    x = 7,957.82

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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.