Home / 15,769.22-23,654.44-5,380.97

Finding the Fourth Proportional to 15,769.22, 23,654.44 and 5,380.97

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Solution

The fourth proportional to 15,769.22, 23,654.44 and 5,380.97 is: 8,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.22 : 23,654.44 = 5,380.97 : x
  2. Step 2: Convert to fraction form
    15,769.22/23,654.44 = 5,380.97/x
  3. Step 3: Cross multiply
    15,769.22x = 23,654.44 × 5,380.97
  4. Step 4: Simplify right side
    15,769.22x = 127,283,832.01
  5. Step 5: Solve for x
    x = 127,283,832.01/15,769.22
  6. Step 6: Final answer
    x = 8,071.66

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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.