Home / 16,863.20-25,292.64-5,177.60

Finding the Fourth Proportional to 16,863.20, 25,292.64 and 5,177.60

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Solution

The fourth proportional to 16,863.20, 25,292.64 and 5,177.60 is: 7,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.20 : 25,292.64 = 5,177.60 : x
  2. Step 2: Convert to fraction form
    16,863.20/25,292.64 = 5,177.60/x
  3. Step 3: Cross multiply
    16,863.20x = 25,292.64 × 5,177.60
  4. Step 4: Simplify right side
    16,863.20x = 130,955,172.86
  5. Step 5: Solve for x
    x = 130,955,172.86/16,863.20
  6. Step 6: Final answer
    x = 7,765.74

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1.5x scale

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.