Home / 18,144.16-27,216.24-4,996.66

Finding the Fourth Proportional to 18,144.16, 27,216.24 and 4,996.66

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Solution

The fourth proportional to 18,144.16, 27,216.24 and 4,996.66 is: 7,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.16 : 27,216.24 = 4,996.66 : x
  2. Step 2: Convert to fraction form
    18,144.16/27,216.24 = 4,996.66/x
  3. Step 3: Cross multiply
    18,144.16x = 27,216.24 × 4,996.66
  4. Step 4: Simplify right side
    18,144.16x = 135,990,297.76
  5. Step 5: Solve for x
    x = 135,990,297.76/18,144.16
  6. Step 6: Final answer
    x = 7,494.99

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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.