Home / 22,863.11-31,551.87-12,791.97

Finding the Fourth Proportional to 22,863.11, 31,551.87 and 12,791.97

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Solution

The fourth proportional to 22,863.11, 31,551.87 and 12,791.97 is: 17,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.11 : 31,551.87 = 12,791.97 : x
  2. Step 2: Convert to fraction form
    22,863.11/31,551.87 = 12,791.97/x
  3. Step 3: Cross multiply
    22,863.11x = 31,551.87 × 12,791.97
  4. Step 4: Simplify right side
    22,863.11x = 403,610,574.48
  5. Step 5: Solve for x
    x = 403,610,574.48/22,863.11
  6. Step 6: Final answer
    x = 17,653.36

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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.