Home / 22,322.91-33,469.35-11,781.78

Finding the Fourth Proportional to 22,322.91, 33,469.35 and 11,781.78

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Solution

The fourth proportional to 22,322.91, 33,469.35 and 11,781.78 is: 17,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,322.91 : 33,469.35 = 11,781.78 : x
  2. Step 2: Convert to fraction form
    22,322.91/33,469.35 = 11,781.78/x
  3. Step 3: Cross multiply
    22,322.91x = 33,469.35 × 11,781.78
  4. Step 4: Simplify right side
    22,322.91x = 394,328,518.44
  5. Step 5: Solve for x
    x = 394,328,518.44/22,322.91
  6. Step 6: Final answer
    x = 17,664.75

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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.