Home / 16,112.73-22,230.53-9,305.88

Finding the Fourth Proportional to 16,112.73, 22,230.53 and 9,305.88

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Solution

The fourth proportional to 16,112.73, 22,230.53 and 9,305.88 is: 12,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.73 : 22,230.53 = 9,305.88 : x
  2. Step 2: Convert to fraction form
    16,112.73/22,230.53 = 9,305.88/x
  3. Step 3: Cross multiply
    16,112.73x = 22,230.53 × 9,305.88
  4. Step 4: Simplify right side
    16,112.73x = 206,874,597.99
  5. Step 5: Solve for x
    x = 206,874,597.99/16,112.73
  6. Step 6: Final answer
    x = 12,839.20

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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.