Home / 13,371.24-20,076.30-9,872.04

Finding the Fourth Proportional to 13,371.24, 20,076.30 and 9,872.04

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Solution

The fourth proportional to 13,371.24, 20,076.30 and 9,872.04 is: 14,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.24 : 20,076.30 = 9,872.04 : x
  2. Step 2: Convert to fraction form
    13,371.24/20,076.30 = 9,872.04/x
  3. Step 3: Cross multiply
    13,371.24x = 20,076.30 × 9,872.04
  4. Step 4: Simplify right side
    13,371.24x = 198,194,036.65
  5. Step 5: Solve for x
    x = 198,194,036.65/13,371.24
  6. Step 6: Final answer
    x = 14,822.41

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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.