Home / 33,198.12-45,793.26-19,760.40

Finding the Fourth Proportional to 33,198.12, 45,793.26 and 19,760.40

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Solution

The fourth proportional to 33,198.12, 45,793.26 and 19,760.40 is: 27,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.12 : 45,793.26 = 19,760.40 : x
  2. Step 2: Convert to fraction form
    33,198.12/45,793.26 = 19,760.40/x
  3. Step 3: Cross multiply
    33,198.12x = 45,793.26 × 19,760.40
  4. Step 4: Simplify right side
    33,198.12x = 904,893,134.90
  5. Step 5: Solve for x
    x = 904,893,134.90/33,198.12
  6. Step 6: Final answer
    x = 27,257.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.