Home / 13,996.32-19,306.14-8,327.04

Finding the Fourth Proportional to 13,996.32, 19,306.14 and 8,327.04

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Solution

The fourth proportional to 13,996.32, 19,306.14 and 8,327.04 is: 11,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.32 : 19,306.14 = 8,327.04 : x
  2. Step 2: Convert to fraction form
    13,996.32/19,306.14 = 8,327.04/x
  3. Step 3: Cross multiply
    13,996.32x = 19,306.14 × 8,327.04
  4. Step 4: Simplify right side
    13,996.32x = 160,763,000.03
  5. Step 5: Solve for x
    x = 160,763,000.03/13,996.32
  6. Step 6: Final answer
    x = 11,486.09

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.