Home / 14,454.20-19,946.57-8,080.44

Finding the Fourth Proportional to 14,454.20, 19,946.57 and 8,080.44

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Solution

The fourth proportional to 14,454.20, 19,946.57 and 8,080.44 is: 11,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.20 : 19,946.57 = 8,080.44 : x
  2. Step 2: Convert to fraction form
    14,454.20/19,946.57 = 8,080.44/x
  3. Step 3: Cross multiply
    14,454.20x = 19,946.57 × 8,080.44
  4. Step 4: Simplify right side
    14,454.20x = 161,177,021.69
  5. Step 5: Solve for x
    x = 161,177,021.69/14,454.20
  6. Step 6: Final answer
    x = 11,150.88

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Double scale
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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.