Home / 17,327.35-25,990.78-4,179.61

Finding the Fourth Proportional to 17,327.35, 25,990.78 and 4,179.61

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Solution

The fourth proportional to 17,327.35, 25,990.78 and 4,179.61 is: 6,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,327.35 : 25,990.78 = 4,179.61 : x
  2. Step 2: Convert to fraction form
    17,327.35/25,990.78 = 4,179.61/x
  3. Step 3: Cross multiply
    17,327.35x = 25,990.78 × 4,179.61
  4. Step 4: Simplify right side
    17,327.35x = 108,631,324.00
  5. Step 5: Solve for x
    x = 108,631,324.00/17,327.35
  6. Step 6: Final answer
    x = 6,269.36

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1.5x scale

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.