Home / 16,917.24-25,375.90-5,230.20

Finding the Fourth Proportional to 16,917.24, 25,375.90 and 5,230.20

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Solution

The fourth proportional to 16,917.24, 25,375.90 and 5,230.20 is: 7,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.24 : 25,375.90 = 5,230.20 : x
  2. Step 2: Convert to fraction form
    16,917.24/25,375.90 = 5,230.20/x
  3. Step 3: Cross multiply
    16,917.24x = 25,375.90 × 5,230.20
  4. Step 4: Simplify right side
    16,917.24x = 132,721,032.18
  5. Step 5: Solve for x
    x = 132,721,032.18/16,917.24
  6. Step 6: Final answer
    x = 7,845.31

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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.