Home / 18,581.20-25,642.07-10,083.29

Finding the Fourth Proportional to 18,581.20, 25,642.07 and 10,083.29

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Solution

The fourth proportional to 18,581.20, 25,642.07 and 10,083.29 is: 13,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.20 : 25,642.07 = 10,083.29 : x
  2. Step 2: Convert to fraction form
    18,581.20/25,642.07 = 10,083.29/x
  3. Step 3: Cross multiply
    18,581.20x = 25,642.07 × 10,083.29
  4. Step 4: Simplify right side
    18,581.20x = 258,556,287.20
  5. Step 5: Solve for x
    x = 258,556,287.20/18,581.20
  6. Step 6: Final answer
    x = 13,914.94

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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.