Home / 22,144.26-33,045.07-19,778.79

Finding the Fourth Proportional to 22,144.26, 33,045.07 and 19,778.79

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Solution

The fourth proportional to 22,144.26, 33,045.07 and 19,778.79 is: 29,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.26 : 33,045.07 = 19,778.79 : x
  2. Step 2: Convert to fraction form
    22,144.26/33,045.07 = 19,778.79/x
  3. Step 3: Cross multiply
    22,144.26x = 33,045.07 × 19,778.79
  4. Step 4: Simplify right side
    22,144.26x = 653,591,450.62
  5. Step 5: Solve for x
    x = 653,591,450.62/22,144.26
  6. Step 6: Final answer
    x = 29,515.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.