Home / 22,651.73-31,263.09-13,220.27

Finding the Fourth Proportional to 22,651.73, 31,263.09 and 13,220.27

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Solution

The fourth proportional to 22,651.73, 31,263.09 and 13,220.27 is: 18,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.73 : 31,263.09 = 13,220.27 : x
  2. Step 2: Convert to fraction form
    22,651.73/31,263.09 = 13,220.27/x
  3. Step 3: Cross multiply
    22,651.73x = 31,263.09 × 13,220.27
  4. Step 4: Simplify right side
    22,651.73x = 413,306,490.83
  5. Step 5: Solve for x
    x = 413,306,490.83/22,651.73
  6. Step 6: Final answer
    x = 18,246.13

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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.