Home / 18,923.96-26,115.38-10,540.48

Finding the Fourth Proportional to 18,923.96, 26,115.38 and 10,540.48

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Solution

The fourth proportional to 18,923.96, 26,115.38 and 10,540.48 is: 14,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.96 : 26,115.38 = 10,540.48 : x
  2. Step 2: Convert to fraction form
    18,923.96/26,115.38 = 10,540.48/x
  3. Step 3: Cross multiply
    18,923.96x = 26,115.38 × 10,540.48
  4. Step 4: Simplify right side
    18,923.96x = 275,268,640.58
  5. Step 5: Solve for x
    x = 275,268,640.58/18,923.96
  6. Step 6: Final answer
    x = 14,546.04

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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.