Home / 17,129.58-25,694.10-5,442.66

Finding the Fourth Proportional to 17,129.58, 25,694.10 and 5,442.66

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Solution

The fourth proportional to 17,129.58, 25,694.10 and 5,442.66 is: 8,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.58 : 25,694.10 = 5,442.66 : x
  2. Step 2: Convert to fraction form
    17,129.58/25,694.10 = 5,442.66/x
  3. Step 3: Cross multiply
    17,129.58x = 25,694.10 × 5,442.66
  4. Step 4: Simplify right side
    17,129.58x = 139,844,250.31
  5. Step 5: Solve for x
    x = 139,844,250.31/17,129.58
  6. Step 6: Final answer
    x = 8,163.90

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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.