Home / 14,949.44-20,630.22-8,665.46

Finding the Fourth Proportional to 14,949.44, 20,630.22 and 8,665.46

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Solution

The fourth proportional to 14,949.44, 20,630.22 and 8,665.46 is: 11,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.44 : 20,630.22 = 8,665.46 : x
  2. Step 2: Convert to fraction form
    14,949.44/20,630.22 = 8,665.46/x
  3. Step 3: Cross multiply
    14,949.44x = 20,630.22 × 8,665.46
  4. Step 4: Simplify right side
    14,949.44x = 178,770,346.20
  5. Step 5: Solve for x
    x = 178,770,346.20/14,949.44
  6. Step 6: Final answer
    x = 11,958.33

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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.