Home / 22,515.06-33,778.43-11,976.41

Finding the Fourth Proportional to 22,515.06, 33,778.43 and 11,976.41

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Solution

The fourth proportional to 22,515.06, 33,778.43 and 11,976.41 is: 17,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.06 : 33,778.43 = 11,976.41 : x
  2. Step 2: Convert to fraction form
    22,515.06/33,778.43 = 11,976.41/x
  3. Step 3: Cross multiply
    22,515.06x = 33,778.43 × 11,976.41
  4. Step 4: Simplify right side
    22,515.06x = 404,544,142.97
  5. Step 5: Solve for x
    x = 404,544,142.97/22,515.06
  6. Step 6: Final answer
    x = 17,967.71

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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.