Home / 16,865.28-25,296.96-5,177.04

Finding the Fourth Proportional to 16,865.28, 25,296.96 and 5,177.04

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Solution

The fourth proportional to 16,865.28, 25,296.96 and 5,177.04 is: 7,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.28 : 25,296.96 = 5,177.04 : x
  2. Step 2: Convert to fraction form
    16,865.28/25,296.96 = 5,177.04/x
  3. Step 3: Cross multiply
    16,865.28x = 25,296.96 × 5,177.04
  4. Step 4: Simplify right side
    16,865.28x = 130,963,373.80
  5. Step 5: Solve for x
    x = 130,963,373.80/16,865.28
  6. Step 6: Final answer
    x = 7,765.27

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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.