Home / 16,091.71-22,207.79-9,286.95

Finding the Fourth Proportional to 16,091.71, 22,207.79 and 9,286.95

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Solution

The fourth proportional to 16,091.71, 22,207.79 and 9,286.95 is: 12,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,091.71 : 22,207.79 = 9,286.95 : x
  2. Step 2: Convert to fraction form
    16,091.71/22,207.79 = 9,286.95/x
  3. Step 3: Cross multiply
    16,091.71x = 22,207.79 × 9,286.95
  4. Step 4: Simplify right side
    16,091.71x = 206,242,635.34
  5. Step 5: Solve for x
    x = 206,242,635.34/16,091.71
  6. Step 6: Final answer
    x = 12,816.70

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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.