Home / 15,765.17-23,649.12-4,520.57

Finding the Fourth Proportional to 15,765.17, 23,649.12 and 4,520.57

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Solution

The fourth proportional to 15,765.17, 23,649.12 and 4,520.57 is: 6,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.17 : 23,649.12 = 4,520.57 : x
  2. Step 2: Convert to fraction form
    15,765.17/23,649.12 = 4,520.57/x
  3. Step 3: Cross multiply
    15,765.17x = 23,649.12 × 4,520.57
  4. Step 4: Simplify right side
    15,765.17x = 106,907,401.10
  5. Step 5: Solve for x
    x = 106,907,401.10/15,765.17
  6. Step 6: Final answer
    x = 6,781.24

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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.