Home / 18,566.75-27,809.79-11,429.23

Finding the Fourth Proportional to 18,566.75, 27,809.79 and 11,429.23

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Solution

The fourth proportional to 18,566.75, 27,809.79 and 11,429.23 is: 17,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.75 : 27,809.79 = 11,429.23 : x
  2. Step 2: Convert to fraction form
    18,566.75/27,809.79 = 11,429.23/x
  3. Step 3: Cross multiply
    18,566.75x = 27,809.79 × 11,429.23
  4. Step 4: Simplify right side
    18,566.75x = 317,844,498.54
  5. Step 5: Solve for x
    x = 317,844,498.54/18,566.75
  6. Step 6: Final answer
    x = 17,119.02

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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.