Home / 18,464.82-25,481.46-11,391.24

Finding the Fourth Proportional to 18,464.82, 25,481.46 and 11,391.24

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Solution

The fourth proportional to 18,464.82, 25,481.46 and 11,391.24 is: 15,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.82 : 25,481.46 = 11,391.24 : x
  2. Step 2: Convert to fraction form
    18,464.82/25,481.46 = 11,391.24/x
  3. Step 3: Cross multiply
    18,464.82x = 25,481.46 × 11,391.24
  4. Step 4: Simplify right side
    18,464.82x = 290,265,426.41
  5. Step 5: Solve for x
    x = 290,265,426.41/18,464.82
  6. Step 6: Final answer
    x = 15,719.92

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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.