Home / 16,865.56-25,296.17-5,177.80

Finding the Fourth Proportional to 16,865.56, 25,296.17 and 5,177.80

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Solution

The fourth proportional to 16,865.56, 25,296.17 and 5,177.80 is: 7,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.56 : 25,296.17 = 5,177.80 : x
  2. Step 2: Convert to fraction form
    16,865.56/25,296.17 = 5,177.80/x
  3. Step 3: Cross multiply
    16,865.56x = 25,296.17 × 5,177.80
  4. Step 4: Simplify right side
    16,865.56x = 130,978,509.03
  5. Step 5: Solve for x
    x = 130,978,509.03/16,865.56
  6. Step 6: Final answer
    x = 7,766.03

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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.