Home / 27,174.20-40,695.46-13,812.03

Finding the Fourth Proportional to 27,174.20, 40,695.46 and 13,812.03

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Solution

The fourth proportional to 27,174.20, 40,695.46 and 13,812.03 is: 20,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.20 : 40,695.46 = 13,812.03 : x
  2. Step 2: Convert to fraction form
    27,174.20/40,695.46 = 13,812.03/x
  3. Step 3: Cross multiply
    27,174.20x = 40,695.46 × 13,812.03
  4. Step 4: Simplify right side
    27,174.20x = 562,086,879.85
  5. Step 5: Solve for x
    x = 562,086,879.85/27,174.20
  6. Step 6: Final answer
    x = 20,684.58

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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.