Home / 31,893.62-43,993.83-19,947.13

Finding the Fourth Proportional to 31,893.62, 43,993.83 and 19,947.13

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Solution

The fourth proportional to 31,893.62, 43,993.83 and 19,947.13 is: 27,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893.62 : 43,993.83 = 19,947.13 : x
  2. Step 2: Convert to fraction form
    31,893.62/43,993.83 = 19,947.13/x
  3. Step 3: Cross multiply
    31,893.62x = 43,993.83 × 19,947.13
  4. Step 4: Simplify right side
    31,893.62x = 877,550,611.03
  5. Step 5: Solve for x
    x = 877,550,611.03/31,893.62
  6. Step 6: Final answer
    x = 27,514.93

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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.