Home / 18,142.33-27,214.44-4,994.41

Finding the Fourth Proportional to 18,142.33, 27,214.44 and 4,994.41

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Solution

The fourth proportional to 18,142.33, 27,214.44 and 4,994.41 is: 7,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.33 : 27,214.44 = 4,994.41 : x
  2. Step 2: Convert to fraction form
    18,142.33/27,214.44 = 4,994.41/x
  3. Step 3: Cross multiply
    18,142.33x = 27,214.44 × 4,994.41
  4. Step 4: Simplify right side
    18,142.33x = 135,920,071.28
  5. Step 5: Solve for x
    x = 135,920,071.28/18,142.33
  6. Step 6: Final answer
    x = 7,491.88

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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.