Home / 19,892.30-29,836.88-11,567

Finding the Fourth Proportional to 19,892.30, 29,836.88 and 11,567

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Solution

The fourth proportional to 19,892.30, 29,836.88 and 11,567 is: 17,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.30 : 29,836.88 = 11,567 : x
  2. Step 2: Convert to fraction form
    19,892.30/29,836.88 = 11,567/x
  3. Step 3: Cross multiply
    19,892.30x = 29,836.88 × 11,567
  4. Step 4: Simplify right side
    19,892.30x = 345,123,190.96
  5. Step 5: Solve for x
    x = 345,123,190.96/19,892.30
  6. Step 6: Final answer
    x = 17,349.59

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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.