Home / 38,165.13-57,233.66-13,198.77

Finding the Fourth Proportional to 38,165.13, 57,233.66 and 13,198.77

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Solution

The fourth proportional to 38,165.13, 57,233.66 and 13,198.77 is: 19,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.13 : 57,233.66 = 13,198.77 : x
  2. Step 2: Convert to fraction form
    38,165.13/57,233.66 = 13,198.77/x
  3. Step 3: Cross multiply
    38,165.13x = 57,233.66 × 13,198.77
  4. Step 4: Simplify right side
    38,165.13x = 755,413,848.60
  5. Step 5: Solve for x
    x = 755,413,848.60/38,165.13
  6. Step 6: Final answer
    x = 19,793.30

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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.