Home / 17,270.75-25,906.80-5,432.60

Finding the Fourth Proportional to 17,270.75, 25,906.80 and 5,432.60

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Solution

The fourth proportional to 17,270.75, 25,906.80 and 5,432.60 is: 8,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270.75 : 25,906.80 = 5,432.60 : x
  2. Step 2: Convert to fraction form
    17,270.75/25,906.80 = 5,432.60/x
  3. Step 3: Cross multiply
    17,270.75x = 25,906.80 × 5,432.60
  4. Step 4: Simplify right side
    17,270.75x = 140,741,281.68
  5. Step 5: Solve for x
    x = 140,741,281.68/17,270.75
  6. Step 6: Final answer
    x = 8,149.11

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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.