Home / 15,731.30-23,591.96-5,199.38

Finding the Fourth Proportional to 15,731.30, 23,591.96 and 5,199.38

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Solution

The fourth proportional to 15,731.30, 23,591.96 and 5,199.38 is: 7,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.30 : 23,591.96 = 5,199.38 : x
  2. Step 2: Convert to fraction form
    15,731.30/23,591.96 = 5,199.38/x
  3. Step 3: Cross multiply
    15,731.30x = 23,591.96 × 5,199.38
  4. Step 4: Simplify right side
    15,731.30x = 122,663,564.98
  5. Step 5: Solve for x
    x = 122,663,564.98/15,731.30
  6. Step 6: Final answer
    x = 7,797.42

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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.