Home / 38,199.20-57,299.50-13,240.06

Finding the Fourth Proportional to 38,199.20, 57,299.50 and 13,240.06

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Solution

The fourth proportional to 38,199.20, 57,299.50 and 13,240.06 is: 19,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,199.20 : 57,299.50 = 13,240.06 : x
  2. Step 2: Convert to fraction form
    38,199.20/57,299.50 = 13,240.06/x
  3. Step 3: Cross multiply
    38,199.20x = 57,299.50 × 13,240.06
  4. Step 4: Simplify right side
    38,199.20x = 758,648,691.27
  5. Step 5: Solve for x
    x = 758,648,691.27/38,199.20
  6. Step 6: Final answer
    x = 19,860.33

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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.