Home / 17,176.20-25,761.90-5,490.60

Finding the Fourth Proportional to 17,176.20, 25,761.90 and 5,490.60

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Solution

The fourth proportional to 17,176.20, 25,761.90 and 5,490.60 is: 8,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.20 : 25,761.90 = 5,490.60 : x
  2. Step 2: Convert to fraction form
    17,176.20/25,761.90 = 5,490.60/x
  3. Step 3: Cross multiply
    17,176.20x = 25,761.90 × 5,490.60
  4. Step 4: Simplify right side
    17,176.20x = 141,448,288.14
  5. Step 5: Solve for x
    x = 141,448,288.14/17,176.20
  6. Step 6: Final answer
    x = 8,235.13

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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.