Home / 18,110.92-27,169.26-7,722.76

Finding the Fourth Proportional to 18,110.92, 27,169.26 and 7,722.76

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Solution

The fourth proportional to 18,110.92, 27,169.26 and 7,722.76 is: 11,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.92 : 27,169.26 = 7,722.76 : x
  2. Step 2: Convert to fraction form
    18,110.92/27,169.26 = 7,722.76/x
  3. Step 3: Cross multiply
    18,110.92x = 27,169.26 × 7,722.76
  4. Step 4: Simplify right side
    18,110.92x = 209,821,674.36
  5. Step 5: Solve for x
    x = 209,821,674.36/18,110.92
  6. Step 6: Final answer
    x = 11,585.37

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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.