Home / 19,832.91-29,757.15-8,731.81

Finding the Fourth Proportional to 19,832.91, 29,757.15 and 8,731.81

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Solution

The fourth proportional to 19,832.91, 29,757.15 and 8,731.81 is: 13,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.91 : 29,757.15 = 8,731.81 : x
  2. Step 2: Convert to fraction form
    19,832.91/29,757.15 = 8,731.81/x
  3. Step 3: Cross multiply
    19,832.91x = 29,757.15 × 8,731.81
  4. Step 4: Simplify right side
    19,832.91x = 259,833,736.28
  5. Step 5: Solve for x
    x = 259,833,736.28/19,832.91
  6. Step 6: Final answer
    x = 13,101.14

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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.