Home / 14,112.60-21,166.20-4,252.20

Finding the Fourth Proportional to 14,112.60, 21,166.20 and 4,252.20

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Solution

The fourth proportional to 14,112.60, 21,166.20 and 4,252.20 is: 6,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.60 : 21,166.20 = 4,252.20 : x
  2. Step 2: Convert to fraction form
    14,112.60/21,166.20 = 4,252.20/x
  3. Step 3: Cross multiply
    14,112.60x = 21,166.20 × 4,252.20
  4. Step 4: Simplify right side
    14,112.60x = 90,002,915.64
  5. Step 5: Solve for x
    x = 90,002,915.64/14,112.60
  6. Step 6: Final answer
    x = 6,377.49

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Half scale
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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.