Home / 17,179.96-25,768.68-5,490.04

Finding the Fourth Proportional to 17,179.96, 25,768.68 and 5,490.04

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Solution

The fourth proportional to 17,179.96, 25,768.68 and 5,490.04 is: 8,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.96 : 25,768.68 = 5,490.04 : x
  2. Step 2: Convert to fraction form
    17,179.96/25,768.68 = 5,490.04/x
  3. Step 3: Cross multiply
    17,179.96x = 25,768.68 × 5,490.04
  4. Step 4: Simplify right side
    17,179.96x = 141,471,083.95
  5. Step 5: Solve for x
    x = 141,471,083.95/17,179.96
  6. Step 6: Final answer
    x = 8,234.66

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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.