Home / 22,221.12-33,340.80-9,074.82

Finding the Fourth Proportional to 22,221.12, 33,340.80 and 9,074.82

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Solution

The fourth proportional to 22,221.12, 33,340.80 and 9,074.82 is: 13,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.12 : 33,340.80 = 9,074.82 : x
  2. Step 2: Convert to fraction form
    22,221.12/33,340.80 = 9,074.82/x
  3. Step 3: Cross multiply
    22,221.12x = 33,340.80 × 9,074.82
  4. Step 4: Simplify right side
    22,221.12x = 302,561,758.66
  5. Step 5: Solve for x
    x = 302,561,758.66/22,221.12
  6. Step 6: Final answer
    x = 13,615.95

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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.