Home / 19,619.22-27,076.78-11,661.37

Finding the Fourth Proportional to 19,619.22, 27,076.78 and 11,661.37

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Solution

The fourth proportional to 19,619.22, 27,076.78 and 11,661.37 is: 16,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.22 : 27,076.78 = 11,661.37 : x
  2. Step 2: Convert to fraction form
    19,619.22/27,076.78 = 11,661.37/x
  3. Step 3: Cross multiply
    19,619.22x = 27,076.78 × 11,661.37
  4. Step 4: Simplify right side
    19,619.22x = 315,752,349.99
  5. Step 5: Solve for x
    x = 315,752,349.99/19,619.22
  6. Step 6: Final answer
    x = 16,094.03

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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.