Home / 18,140.13-27,211.46-7,606.17

Finding the Fourth Proportional to 18,140.13, 27,211.46 and 7,606.17

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Solution

The fourth proportional to 18,140.13, 27,211.46 and 7,606.17 is: 11,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.13 : 27,211.46 = 7,606.17 : x
  2. Step 2: Convert to fraction form
    18,140.13/27,211.46 = 7,606.17/x
  3. Step 3: Cross multiply
    18,140.13x = 27,211.46 × 7,606.17
  4. Step 4: Simplify right side
    18,140.13x = 206,974,952.68
  5. Step 5: Solve for x
    x = 206,974,952.68/18,140.13
  6. Step 6: Final answer
    x = 11,409.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.