Home / 18,825.38-25,974.67-11,268.84

Finding the Fourth Proportional to 18,825.38, 25,974.67 and 11,268.84

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Solution

The fourth proportional to 18,825.38, 25,974.67 and 11,268.84 is: 15,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.38 : 25,974.67 = 11,268.84 : x
  2. Step 2: Convert to fraction form
    18,825.38/25,974.67 = 11,268.84/x
  3. Step 3: Cross multiply
    18,825.38x = 25,974.67 × 11,268.84
  4. Step 4: Simplify right side
    18,825.38x = 292,704,400.28
  5. Step 5: Solve for x
    x = 292,704,400.28/18,825.38
  6. Step 6: Final answer
    x = 15,548.39

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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.