Home / 22,864.48-31,551.49-12,791.18

Finding the Fourth Proportional to 22,864.48, 31,551.49 and 12,791.18

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Solution

The fourth proportional to 22,864.48, 31,551.49 and 12,791.18 is: 17,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,864.48 : 31,551.49 = 12,791.18 : x
  2. Step 2: Convert to fraction form
    22,864.48/31,551.49 = 12,791.18/x
  3. Step 3: Cross multiply
    22,864.48x = 31,551.49 × 12,791.18
  4. Step 4: Simplify right side
    22,864.48x = 403,580,882.73
  5. Step 5: Solve for x
    x = 403,580,882.73/22,864.48
  6. Step 6: Final answer
    x = 17,651.00

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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.