Home / 14,115.20-21,177.42-5,799.13

Finding the Fourth Proportional to 14,115.20, 21,177.42 and 5,799.13

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Solution

The fourth proportional to 14,115.20, 21,177.42 and 5,799.13 is: 8,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.20 : 21,177.42 = 5,799.13 : x
  2. Step 2: Convert to fraction form
    14,115.20/21,177.42 = 5,799.13/x
  3. Step 3: Cross multiply
    14,115.20x = 21,177.42 × 5,799.13
  4. Step 4: Simplify right side
    14,115.20x = 122,810,558.70
  5. Step 5: Solve for x
    x = 122,810,558.70/14,115.20
  6. Step 6: Final answer
    x = 8,700.59

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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.