Home / 22,513.44-31,067.64-13,081.26

Finding the Fourth Proportional to 22,513.44, 31,067.64 and 13,081.26

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Solution

The fourth proportional to 22,513.44, 31,067.64 and 13,081.26 is: 18,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.44 : 31,067.64 = 13,081.26 : x
  2. Step 2: Convert to fraction form
    22,513.44/31,067.64 = 13,081.26/x
  3. Step 3: Cross multiply
    22,513.44x = 31,067.64 × 13,081.26
  4. Step 4: Simplify right side
    22,513.44x = 406,403,876.43
  5. Step 5: Solve for x
    x = 406,403,876.43/22,513.44
  6. Step 6: Final answer
    x = 18,051.61

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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.