Home / 13,957.44-20,944.32-5,198.56

Finding the Fourth Proportional to 13,957.44, 20,944.32 and 5,198.56

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Solution

The fourth proportional to 13,957.44, 20,944.32 and 5,198.56 is: 7,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.44 : 20,944.32 = 5,198.56 : x
  2. Step 2: Convert to fraction form
    13,957.44/20,944.32 = 5,198.56/x
  3. Step 3: Cross multiply
    13,957.44x = 20,944.32 × 5,198.56
  4. Step 4: Simplify right side
    13,957.44x = 108,880,304.18
  5. Step 5: Solve for x
    x = 108,880,304.18/13,957.44
  6. Step 6: Final answer
    x = 7,800.88

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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.