Home / 21,418.11-32,123.29-5,832.09

Finding the Fourth Proportional to 21,418.11, 32,123.29 and 5,832.09

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Solution

The fourth proportional to 21,418.11, 32,123.29 and 5,832.09 is: 8,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.11 : 32,123.29 = 5,832.09 : x
  2. Step 2: Convert to fraction form
    21,418.11/32,123.29 = 5,832.09/x
  3. Step 3: Cross multiply
    21,418.11x = 32,123.29 × 5,832.09
  4. Step 4: Simplify right side
    21,418.11x = 187,345,918.38
  5. Step 5: Solve for x
    x = 187,345,918.38/21,418.11
  6. Step 6: Final answer
    x = 8,747.08

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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.