Home / 22,201.56-33,297.48-12,821.76

Finding the Fourth Proportional to 22,201.56, 33,297.48 and 12,821.76

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Solution

The fourth proportional to 22,201.56, 33,297.48 and 12,821.76 is: 19,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.56 : 33,297.48 = 12,821.76 : x
  2. Step 2: Convert to fraction form
    22,201.56/33,297.48 = 12,821.76/x
  3. Step 3: Cross multiply
    22,201.56x = 33,297.48 × 12,821.76
  4. Step 4: Simplify right side
    22,201.56x = 426,932,297.16
  5. Step 5: Solve for x
    x = 426,932,297.16/22,201.56
  6. Step 6: Final answer
    x = 19,229.83

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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.