Home / 14,640.39-20,198.76-8,266.23

Finding the Fourth Proportional to 14,640.39, 20,198.76 and 8,266.23

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Solution

The fourth proportional to 14,640.39, 20,198.76 and 8,266.23 is: 11,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.39 : 20,198.76 = 8,266.23 : x
  2. Step 2: Convert to fraction form
    14,640.39/20,198.76 = 8,266.23/x
  3. Step 3: Cross multiply
    14,640.39x = 20,198.76 × 8,266.23
  4. Step 4: Simplify right side
    14,640.39x = 166,967,595.87
  5. Step 5: Solve for x
    x = 166,967,595.87/14,640.39
  6. Step 6: Final answer
    x = 11,404.59

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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.