Home / 22,296.20-33,211.94-21,112.88

Finding the Fourth Proportional to 22,296.20, 33,211.94 and 21,112.88

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Solution

The fourth proportional to 22,296.20, 33,211.94 and 21,112.88 is: 31,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.20 : 33,211.94 = 21,112.88 : x
  2. Step 2: Convert to fraction form
    22,296.20/33,211.94 = 21,112.88/x
  3. Step 3: Cross multiply
    22,296.20x = 33,211.94 × 21,112.88
  4. Step 4: Simplify right side
    22,296.20x = 701,199,432.16
  5. Step 5: Solve for x
    x = 701,199,432.16/22,296.20
  6. Step 6: Final answer
    x = 31,449.29

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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.