Home / 33,198.10-49,763.38-13,221.74

Finding the Fourth Proportional to 33,198.10, 49,763.38 and 13,221.74

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Solution

The fourth proportional to 33,198.10, 49,763.38 and 13,221.74 is: 19,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.10 : 49,763.38 = 13,221.74 : x
  2. Step 2: Convert to fraction form
    33,198.10/49,763.38 = 13,221.74/x
  3. Step 3: Cross multiply
    33,198.10x = 49,763.38 × 13,221.74
  4. Step 4: Simplify right side
    33,198.10x = 657,958,471.88
  5. Step 5: Solve for x
    x = 657,958,471.88/33,198.10
  6. Step 6: Final answer
    x = 19,819.16

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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.