Home / 22,301.09-30,775.54-12,229.60

Finding the Fourth Proportional to 22,301.09, 30,775.54 and 12,229.60

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Solution

The fourth proportional to 22,301.09, 30,775.54 and 12,229.60 is: 16,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.09 : 30,775.54 = 12,229.60 : x
  2. Step 2: Convert to fraction form
    22,301.09/30,775.54 = 12,229.60/x
  3. Step 3: Cross multiply
    22,301.09x = 30,775.54 × 12,229.60
  4. Step 4: Simplify right side
    22,301.09x = 376,372,626.63
  5. Step 5: Solve for x
    x = 376,372,626.63/22,301.09
  6. Step 6: Final answer
    x = 16,876.87

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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.