Home / 22,791.94-31,447.82-13,226.28

Finding the Fourth Proportional to 22,791.94, 31,447.82 and 13,226.28

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Solution

The fourth proportional to 22,791.94, 31,447.82 and 13,226.28 is: 18,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.94 : 31,447.82 = 13,226.28 : x
  2. Step 2: Convert to fraction form
    22,791.94/31,447.82 = 13,226.28/x
  3. Step 3: Cross multiply
    22,791.94x = 31,447.82 × 13,226.28
  4. Step 4: Simplify right side
    22,791.94x = 415,937,672.71
  5. Step 5: Solve for x
    x = 415,937,672.71/22,791.94
  6. Step 6: Final answer
    x = 18,249.33

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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.