Home / 14,546.50-20,074.44-8,086.75

Finding the Fourth Proportional to 14,546.50, 20,074.44 and 8,086.75

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Solution

The fourth proportional to 14,546.50, 20,074.44 and 8,086.75 is: 11,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.50 : 20,074.44 = 8,086.75 : x
  2. Step 2: Convert to fraction form
    14,546.50/20,074.44 = 8,086.75/x
  3. Step 3: Cross multiply
    14,546.50x = 20,074.44 × 8,086.75
  4. Step 4: Simplify right side
    14,546.50x = 162,336,957.81
  5. Step 5: Solve for x
    x = 162,336,957.81/14,546.50
  6. Step 6: Final answer
    x = 11,159.86

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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.