Home / 14,951.20-20,632.60-8,236.64

Finding the Fourth Proportional to 14,951.20, 20,632.60 and 8,236.64

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Solution

The fourth proportional to 14,951.20, 20,632.60 and 8,236.64 is: 11,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.20 : 20,632.60 = 8,236.64 : x
  2. Step 2: Convert to fraction form
    14,951.20/20,632.60 = 8,236.64/x
  3. Step 3: Cross multiply
    14,951.20x = 20,632.60 × 8,236.64
  4. Step 4: Simplify right side
    14,951.20x = 169,943,298.46
  5. Step 5: Solve for x
    x = 169,943,298.46/14,951.20
  6. Step 6: Final answer
    x = 11,366.53

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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.