Home / 22,111.20-33,166.80-18,223.20

Finding the Fourth Proportional to 22,111.20, 33,166.80 and 18,223.20

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Solution

The fourth proportional to 22,111.20, 33,166.80 and 18,223.20 is: 27,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,111.20 : 33,166.80 = 18,223.20 : x
  2. Step 2: Convert to fraction form
    22,111.20/33,166.80 = 18,223.20/x
  3. Step 3: Cross multiply
    22,111.20x = 33,166.80 × 18,223.20
  4. Step 4: Simplify right side
    22,111.20x = 604,405,229.76
  5. Step 5: Solve for x
    x = 604,405,229.76/22,111.20
  6. Step 6: Final answer
    x = 27,334.80

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Similar ratio
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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.