Home / 22,193.66-33,290.78-12,395.31

Finding the Fourth Proportional to 22,193.66, 33,290.78 and 12,395.31

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Solution

The fourth proportional to 22,193.66, 33,290.78 and 12,395.31 is: 18,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.66 : 33,290.78 = 12,395.31 : x
  2. Step 2: Convert to fraction form
    22,193.66/33,290.78 = 12,395.31/x
  3. Step 3: Cross multiply
    22,193.66x = 33,290.78 × 12,395.31
  4. Step 4: Simplify right side
    22,193.66x = 412,649,476.27
  5. Step 5: Solve for x
    x = 412,649,476.27/22,193.66
  6. Step 6: Final answer
    x = 18,593.13

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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.