Home / 18,891.57-26,067.48-11,336.25

Finding the Fourth Proportional to 18,891.57, 26,067.48 and 11,336.25

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Solution

The fourth proportional to 18,891.57, 26,067.48 and 11,336.25 is: 15,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.57 : 26,067.48 = 11,336.25 : x
  2. Step 2: Convert to fraction form
    18,891.57/26,067.48 = 11,336.25/x
  3. Step 3: Cross multiply
    18,891.57x = 26,067.48 × 11,336.25
  4. Step 4: Simplify right side
    18,891.57x = 295,507,470.15
  5. Step 5: Solve for x
    x = 295,507,470.15/18,891.57
  6. Step 6: Final answer
    x = 15,642.29

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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.