Home / 17,517.87-26,261.17-6,421.96

Finding the Fourth Proportional to 17,517.87, 26,261.17 and 6,421.96

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Solution

The fourth proportional to 17,517.87, 26,261.17 and 6,421.96 is: 9,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.87 : 26,261.17 = 6,421.96 : x
  2. Step 2: Convert to fraction form
    17,517.87/26,261.17 = 6,421.96/x
  3. Step 3: Cross multiply
    17,517.87x = 26,261.17 × 6,421.96
  4. Step 4: Simplify right side
    17,517.87x = 168,648,265.00
  5. Step 5: Solve for x
    x = 168,648,265.00/17,517.87
  6. Step 6: Final answer
    x = 9,627.22

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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.