Home / 16,731-25,082.19-6,864.12

Finding the Fourth Proportional to 16,731, 25,082.19 and 6,864.12

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Solution

The fourth proportional to 16,731, 25,082.19 and 6,864.12 is: 10,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731 : 25,082.19 = 6,864.12 : x
  2. Step 2: Convert to fraction form
    16,731/25,082.19 = 6,864.12/x
  3. Step 3: Cross multiply
    16,731x = 25,082.19 × 6,864.12
  4. Step 4: Simplify right side
    16,731x = 172,167,162.02
  5. Step 5: Solve for x
    x = 172,167,162.02/16,731
  6. Step 6: Final answer
    x = 10,290.31

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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.