Home / 22,275.33-30,738.78-12,201.90

Finding the Fourth Proportional to 22,275.33, 30,738.78 and 12,201.90

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Solution

The fourth proportional to 22,275.33, 30,738.78 and 12,201.90 is: 16,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.33 : 30,738.78 = 12,201.90 : x
  2. Step 2: Convert to fraction form
    22,275.33/30,738.78 = 12,201.90/x
  3. Step 3: Cross multiply
    22,275.33x = 30,738.78 × 12,201.90
  4. Step 4: Simplify right side
    22,275.33x = 375,071,519.68
  5. Step 5: Solve for x
    x = 375,071,519.68/22,275.33
  6. Step 6: Final answer
    x = 16,837.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.