Home / 15,731.52-23,600.64-5,343.36

Finding the Fourth Proportional to 15,731.52, 23,600.64 and 5,343.36

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Solution

The fourth proportional to 15,731.52, 23,600.64 and 5,343.36 is: 8,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.52 : 23,600.64 = 5,343.36 : x
  2. Step 2: Convert to fraction form
    15,731.52/23,600.64 = 5,343.36/x
  3. Step 3: Cross multiply
    15,731.52x = 23,600.64 × 5,343.36
  4. Step 4: Simplify right side
    15,731.52x = 126,106,715.75
  5. Step 5: Solve for x
    x = 126,106,715.75/15,731.52
  6. Step 6: Final answer
    x = 8,016.18

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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.