Home / 23,151.44-31,947.09-13,080.75

Finding the Fourth Proportional to 23,151.44, 31,947.09 and 13,080.75

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Solution

The fourth proportional to 23,151.44, 31,947.09 and 13,080.75 is: 18,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.44 : 31,947.09 = 13,080.75 : x
  2. Step 2: Convert to fraction form
    23,151.44/31,947.09 = 13,080.75/x
  3. Step 3: Cross multiply
    23,151.44x = 31,947.09 × 13,080.75
  4. Step 4: Simplify right side
    23,151.44x = 417,891,897.52
  5. Step 5: Solve for x
    x = 417,891,897.52/23,151.44
  6. Step 6: Final answer
    x = 18,050.37

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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.