Home / 45,517.44-68,276.16-14,355.12

Finding the Fourth Proportional to 45,517.44, 68,276.16 and 14,355.12

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Solution

The fourth proportional to 45,517.44, 68,276.16 and 14,355.12 is: 21,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517.44 : 68,276.16 = 14,355.12 : x
  2. Step 2: Convert to fraction form
    45,517.44/68,276.16 = 14,355.12/x
  3. Step 3: Cross multiply
    45,517.44x = 68,276.16 × 14,355.12
  4. Step 4: Simplify right side
    45,517.44x = 980,112,469.94
  5. Step 5: Solve for x
    x = 980,112,469.94/45,517.44
  6. Step 6: Final answer
    x = 21,532.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.