Home / 14,944.22-20,622.56-8,229.79

Finding the Fourth Proportional to 14,944.22, 20,622.56 and 8,229.79

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Solution

The fourth proportional to 14,944.22, 20,622.56 and 8,229.79 is: 11,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.22 : 20,622.56 = 8,229.79 : x
  2. Step 2: Convert to fraction form
    14,944.22/20,622.56 = 8,229.79/x
  3. Step 3: Cross multiply
    14,944.22x = 20,622.56 × 8,229.79
  4. Step 4: Simplify right side
    14,944.22x = 169,719,338.06
  5. Step 5: Solve for x
    x = 169,719,338.06/14,944.22
  6. Step 6: Final answer
    x = 11,356.85

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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.