Home / 18,185.86-27,279.33-7,092.10

Finding the Fourth Proportional to 18,185.86, 27,279.33 and 7,092.10

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Solution

The fourth proportional to 18,185.86, 27,279.33 and 7,092.10 is: 10,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.86 : 27,279.33 = 7,092.10 : x
  2. Step 2: Convert to fraction form
    18,185.86/27,279.33 = 7,092.10/x
  3. Step 3: Cross multiply
    18,185.86x = 27,279.33 × 7,092.10
  4. Step 4: Simplify right side
    18,185.86x = 193,467,736.29
  5. Step 5: Solve for x
    x = 193,467,736.29/18,185.86
  6. Step 6: Final answer
    x = 10,638.36

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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.