Home / 20,222.46-27,906.22-11,269.53

Finding the Fourth Proportional to 20,222.46, 27,906.22 and 11,269.53

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Solution

The fourth proportional to 20,222.46, 27,906.22 and 11,269.53 is: 15,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.46 : 27,906.22 = 11,269.53 : x
  2. Step 2: Convert to fraction form
    20,222.46/27,906.22 = 11,269.53/x
  3. Step 3: Cross multiply
    20,222.46x = 27,906.22 × 11,269.53
  4. Step 4: Simplify right side
    20,222.46x = 314,489,997.56
  5. Step 5: Solve for x
    x = 314,489,997.56/20,222.46
  6. Step 6: Final answer
    x = 15,551.52

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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.