Home / 15,170.17-22,765.51-5,309.54

Finding the Fourth Proportional to 15,170.17, 22,765.51 and 5,309.54

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Solution

The fourth proportional to 15,170.17, 22,765.51 and 5,309.54 is: 7,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.17 : 22,765.51 = 5,309.54 : x
  2. Step 2: Convert to fraction form
    15,170.17/22,765.51 = 5,309.54/x
  3. Step 3: Cross multiply
    15,170.17x = 22,765.51 × 5,309.54
  4. Step 4: Simplify right side
    15,170.17x = 120,874,385.97
  5. Step 5: Solve for x
    x = 120,874,385.97/15,170.17
  6. Step 6: Final answer
    x = 7,967.90

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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.