Home / 13,224.31-18,247.56-8,514.97

Finding the Fourth Proportional to 13,224.31, 18,247.56 and 8,514.97

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Solution

The fourth proportional to 13,224.31, 18,247.56 and 8,514.97 is: 11,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.31 : 18,247.56 = 8,514.97 : x
  2. Step 2: Convert to fraction form
    13,224.31/18,247.56 = 8,514.97/x
  3. Step 3: Cross multiply
    13,224.31x = 18,247.56 × 8,514.97
  4. Step 4: Simplify right side
    13,224.31x = 155,377,425.97
  5. Step 5: Solve for x
    x = 155,377,425.97/13,224.31
  6. Step 6: Final answer
    x = 11,749.38

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Half scale
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Double scale
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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.