Home / 22,863.13-31,551.80-12,791.34

Finding the Fourth Proportional to 22,863.13, 31,551.80 and 12,791.34

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Solution

The fourth proportional to 22,863.13, 31,551.80 and 12,791.34 is: 17,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.13 : 31,551.80 = 12,791.34 : x
  2. Step 2: Convert to fraction form
    22,863.13/31,551.80 = 12,791.34/x
  3. Step 3: Cross multiply
    22,863.13x = 31,551.80 × 12,791.34
  4. Step 4: Simplify right side
    22,863.13x = 403,589,737.46
  5. Step 5: Solve for x
    x = 403,589,737.46/22,863.13
  6. Step 6: Final answer
    x = 17,652.43

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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.