Home / 14,949.46-20,631.18-8,236.56

Finding the Fourth Proportional to 14,949.46, 20,631.18 and 8,236.56

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Solution

The fourth proportional to 14,949.46, 20,631.18 and 8,236.56 is: 11,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.46 : 20,631.18 = 8,236.56 : x
  2. Step 2: Convert to fraction form
    14,949.46/20,631.18 = 8,236.56/x
  3. Step 3: Cross multiply
    14,949.46x = 20,631.18 × 8,236.56
  4. Step 4: Simplify right side
    14,949.46x = 169,929,951.94
  5. Step 5: Solve for x
    x = 169,929,951.94/14,949.46
  6. Step 6: Final answer
    x = 11,366.96

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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.