Home / 22,255.11-33,387.13-8,215.22

Finding the Fourth Proportional to 22,255.11, 33,387.13 and 8,215.22

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Solution

The fourth proportional to 22,255.11, 33,387.13 and 8,215.22 is: 12,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.11 : 33,387.13 = 8,215.22 : x
  2. Step 2: Convert to fraction form
    22,255.11/33,387.13 = 8,215.22/x
  3. Step 3: Cross multiply
    22,255.11x = 33,387.13 × 8,215.22
  4. Step 4: Simplify right side
    22,255.11x = 274,282,618.12
  5. Step 5: Solve for x
    x = 274,282,618.12/22,255.11
  6. Step 6: Final answer
    x = 12,324.48

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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.