Home / 16,864.60-25,296.90-5,177.80

Finding the Fourth Proportional to 16,864.60, 25,296.90 and 5,177.80

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Solution

The fourth proportional to 16,864.60, 25,296.90 and 5,177.80 is: 7,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.60 : 25,296.90 = 5,177.80 : x
  2. Step 2: Convert to fraction form
    16,864.60/25,296.90 = 5,177.80/x
  3. Step 3: Cross multiply
    16,864.60x = 25,296.90 × 5,177.80
  4. Step 4: Simplify right side
    16,864.60x = 130,982,288.82
  5. Step 5: Solve for x
    x = 130,982,288.82/16,864.60
  6. Step 6: Final answer
    x = 7,766.70

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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.