Home / 16,365.97-22,584.55-9,990.27

Finding the Fourth Proportional to 16,365.97, 22,584.55 and 9,990.27

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Solution

The fourth proportional to 16,365.97, 22,584.55 and 9,990.27 is: 13,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,365.97 : 22,584.55 = 9,990.27 : x
  2. Step 2: Convert to fraction form
    16,365.97/22,584.55 = 9,990.27/x
  3. Step 3: Cross multiply
    16,365.97x = 22,584.55 × 9,990.27
  4. Step 4: Simplify right side
    16,365.97x = 225,625,733.57
  5. Step 5: Solve for x
    x = 225,625,733.57/16,365.97
  6. Step 6: Final answer
    x = 13,786.27

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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.