Home / 12,230.25-18,345.42-2,996.25

Finding the Fourth Proportional to 12,230.25, 18,345.42 and 2,996.25

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Solution

The fourth proportional to 12,230.25, 18,345.42 and 2,996.25 is: 4,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.25 : 18,345.42 = 2,996.25 : x
  2. Step 2: Convert to fraction form
    12,230.25/18,345.42 = 2,996.25/x
  3. Step 3: Cross multiply
    12,230.25x = 18,345.42 × 2,996.25
  4. Step 4: Simplify right side
    12,230.25x = 54,967,464.68
  5. Step 5: Solve for x
    x = 54,967,464.68/12,230.25
  6. Step 6: Final answer
    x = 4,494.39

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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.