Home / 33,198.87-45,794.30-19,761.15

Finding the Fourth Proportional to 33,198.87, 45,794.30 and 19,761.15

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Solution

The fourth proportional to 33,198.87, 45,794.30 and 19,761.15 is: 27,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.87 : 45,794.30 = 19,761.15 : x
  2. Step 2: Convert to fraction form
    33,198.87/45,794.30 = 19,761.15/x
  3. Step 3: Cross multiply
    33,198.87x = 45,794.30 × 19,761.15
  4. Step 4: Simplify right side
    33,198.87x = 904,947,932.64
  5. Step 5: Solve for x
    x = 904,947,932.64/33,198.87
  6. Step 6: Final answer
    x = 27,258.40

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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.