Home / 27,131.36-37,440.83-15,194.59

Finding the Fourth Proportional to 27,131.36, 37,440.83 and 15,194.59

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Solution

The fourth proportional to 27,131.36, 37,440.83 and 15,194.59 is: 20,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.36 : 37,440.83 = 15,194.59 : x
  2. Step 2: Convert to fraction form
    27,131.36/37,440.83 = 15,194.59/x
  3. Step 3: Cross multiply
    27,131.36x = 37,440.83 × 15,194.59
  4. Step 4: Simplify right side
    27,131.36x = 568,898,005.49
  5. Step 5: Solve for x
    x = 568,898,005.49/27,131.36
  6. Step 6: Final answer
    x = 20,968.29

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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.