Home / 22,862.76-31,550.75-12,791.19

Finding the Fourth Proportional to 22,862.76, 31,550.75 and 12,791.19

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Solution

The fourth proportional to 22,862.76, 31,550.75 and 12,791.19 is: 17,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.76 : 31,550.75 = 12,791.19 : x
  2. Step 2: Convert to fraction form
    22,862.76/31,550.75 = 12,791.19/x
  3. Step 3: Cross multiply
    22,862.76x = 31,550.75 × 12,791.19
  4. Step 4: Simplify right side
    22,862.76x = 403,571,704.09
  5. Step 5: Solve for x
    x = 403,571,704.09/22,862.76
  6. Step 6: Final answer
    x = 17,651.93

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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.