Home / 14,440.44-21,660.66-9,279.12

Finding the Fourth Proportional to 14,440.44, 21,660.66 and 9,279.12

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Solution

The fourth proportional to 14,440.44, 21,660.66 and 9,279.12 is: 13,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.44 : 21,660.66 = 9,279.12 : x
  2. Step 2: Convert to fraction form
    14,440.44/21,660.66 = 9,279.12/x
  3. Step 3: Cross multiply
    14,440.44x = 21,660.66 × 9,279.12
  4. Step 4: Simplify right side
    14,440.44x = 200,991,863.42
  5. Step 5: Solve for x
    x = 200,991,863.42/14,440.44
  6. Step 6: Final answer
    x = 13,918.68

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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.