Home / 18,242.48-25,173.24-11,943.92

Finding the Fourth Proportional to 18,242.48, 25,173.24 and 11,943.92

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Solution

The fourth proportional to 18,242.48, 25,173.24 and 11,943.92 is: 16,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.48 : 25,173.24 = 11,943.92 : x
  2. Step 2: Convert to fraction form
    18,242.48/25,173.24 = 11,943.92/x
  3. Step 3: Cross multiply
    18,242.48x = 25,173.24 × 11,943.92
  4. Step 4: Simplify right side
    18,242.48x = 300,667,164.70
  5. Step 5: Solve for x
    x = 300,667,164.70/18,242.48
  6. Step 6: Final answer
    x = 16,481.70

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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.