Home / 22,863.36-31,549.76-12,791.36

Finding the Fourth Proportional to 22,863.36, 31,549.76 and 12,791.36

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Solution

The fourth proportional to 22,863.36, 31,549.76 and 12,791.36 is: 17,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.36 : 31,549.76 = 12,791.36 : x
  2. Step 2: Convert to fraction form
    22,863.36/31,549.76 = 12,791.36/x
  3. Step 3: Cross multiply
    22,863.36x = 31,549.76 × 12,791.36
  4. Step 4: Simplify right side
    22,863.36x = 403,564,338.07
  5. Step 5: Solve for x
    x = 403,564,338.07/22,863.36
  6. Step 6: Final answer
    x = 17,651.14

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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.