Home / 15,724.30-23,581.43-5,192.36

Finding the Fourth Proportional to 15,724.30, 23,581.43 and 5,192.36

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Solution

The fourth proportional to 15,724.30, 23,581.43 and 5,192.36 is: 7,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.30 : 23,581.43 = 5,192.36 : x
  2. Step 2: Convert to fraction form
    15,724.30/23,581.43 = 5,192.36/x
  3. Step 3: Cross multiply
    15,724.30x = 23,581.43 × 5,192.36
  4. Step 4: Simplify right side
    15,724.30x = 122,443,273.87
  5. Step 5: Solve for x
    x = 122,443,273.87/15,724.30
  6. Step 6: Final answer
    x = 7,786.88

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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.