Home / 18,531.18-27,749.41-10,202.04

Finding the Fourth Proportional to 18,531.18, 27,749.41 and 10,202.04

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Solution

The fourth proportional to 18,531.18, 27,749.41 and 10,202.04 is: 15,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.18 : 27,749.41 = 10,202.04 : x
  2. Step 2: Convert to fraction form
    18,531.18/27,749.41 = 10,202.04/x
  3. Step 3: Cross multiply
    18,531.18x = 27,749.41 × 10,202.04
  4. Step 4: Simplify right side
    18,531.18x = 283,100,565.29
  5. Step 5: Solve for x
    x = 283,100,565.29/18,531.18
  6. Step 6: Final answer
    x = 15,276.99

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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.