Home / 17,261.56-25,892.90-4,781.70

Finding the Fourth Proportional to 17,261.56, 25,892.90 and 4,781.70

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Solution

The fourth proportional to 17,261.56, 25,892.90 and 4,781.70 is: 7,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.56 : 25,892.90 = 4,781.70 : x
  2. Step 2: Convert to fraction form
    17,261.56/25,892.90 = 4,781.70/x
  3. Step 3: Cross multiply
    17,261.56x = 25,892.90 × 4,781.70
  4. Step 4: Simplify right side
    17,261.56x = 123,812,079.93
  5. Step 5: Solve for x
    x = 123,812,079.93/17,261.56
  6. Step 6: Final answer
    x = 7,172.71

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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.