Home / 23,236.20-31,943.02-19,993.97

Finding the Fourth Proportional to 23,236.20, 31,943.02 and 19,993.97

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Solution

The fourth proportional to 23,236.20, 31,943.02 and 19,993.97 is: 27,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,236.20 : 31,943.02 = 19,993.97 : x
  2. Step 2: Convert to fraction form
    23,236.20/31,943.02 = 19,993.97/x
  3. Step 3: Cross multiply
    23,236.20x = 31,943.02 × 19,993.97
  4. Step 4: Simplify right side
    23,236.20x = 638,667,783.59
  5. Step 5: Solve for x
    x = 638,667,783.59/23,236.20
  6. Step 6: Final answer
    x = 27,485.90

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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.