Home / 22,181.88-33,245.12-11,091.74

Finding the Fourth Proportional to 22,181.88, 33,245.12 and 11,091.74

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Solution

The fourth proportional to 22,181.88, 33,245.12 and 11,091.74 is: 16,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.88 : 33,245.12 = 11,091.74 : x
  2. Step 2: Convert to fraction form
    22,181.88/33,245.12 = 11,091.74/x
  3. Step 3: Cross multiply
    22,181.88x = 33,245.12 × 11,091.74
  4. Step 4: Simplify right side
    22,181.88x = 368,746,227.31
  5. Step 5: Solve for x
    x = 368,746,227.31/22,181.88
  6. Step 6: Final answer
    x = 16,623.76

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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.