Home / 13,824.72-20,734.02-3,963.96

Finding the Fourth Proportional to 13,824.72, 20,734.02 and 3,963.96

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Solution

The fourth proportional to 13,824.72, 20,734.02 and 3,963.96 is: 5,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.72 : 20,734.02 = 3,963.96 : x
  2. Step 2: Convert to fraction form
    13,824.72/20,734.02 = 3,963.96/x
  3. Step 3: Cross multiply
    13,824.72x = 20,734.02 × 3,963.96
  4. Step 4: Simplify right side
    13,824.72x = 82,188,825.92
  5. Step 5: Solve for x
    x = 82,188,825.92/13,824.72
  6. Step 6: Final answer
    x = 5,945.06

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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.