Home / 27,766.92-38,305.26-18,206.76

Finding the Fourth Proportional to 27,766.92, 38,305.26 and 18,206.76

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Solution

The fourth proportional to 27,766.92, 38,305.26 and 18,206.76 is: 25,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.92 : 38,305.26 = 18,206.76 : x
  2. Step 2: Convert to fraction form
    27,766.92/38,305.26 = 18,206.76/x
  3. Step 3: Cross multiply
    27,766.92x = 38,305.26 × 18,206.76
  4. Step 4: Simplify right side
    27,766.92x = 697,414,675.56
  5. Step 5: Solve for x
    x = 697,414,675.56/27,766.92
  6. Step 6: Final answer
    x = 25,116.75

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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.