Home / 20,174.99-27,831.11-11,786.63

Finding the Fourth Proportional to 20,174.99, 27,831.11 and 11,786.63

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Solution

The fourth proportional to 20,174.99, 27,831.11 and 11,786.63 is: 16,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.99 : 27,831.11 = 11,786.63 : x
  2. Step 2: Convert to fraction form
    20,174.99/27,831.11 = 11,786.63/x
  3. Step 3: Cross multiply
    20,174.99x = 27,831.11 × 11,786.63
  4. Step 4: Simplify right side
    20,174.99x = 328,034,797.97
  5. Step 5: Solve for x
    x = 328,034,797.97/20,174.99
  6. Step 6: Final answer
    x = 16,259.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.