Home / 21,849.30-32,781.06-17,943.48

Finding the Fourth Proportional to 21,849.30, 32,781.06 and 17,943.48

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Solution

The fourth proportional to 21,849.30, 32,781.06 and 17,943.48 is: 26,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849.30 : 32,781.06 = 17,943.48 : x
  2. Step 2: Convert to fraction form
    21,849.30/32,781.06 = 17,943.48/x
  3. Step 3: Cross multiply
    21,849.30x = 32,781.06 × 17,943.48
  4. Step 4: Simplify right side
    21,849.30x = 588,206,294.49
  5. Step 5: Solve for x
    x = 588,206,294.49/21,849.30
  6. Step 6: Final answer
    x = 26,921.06

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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.