Home / 23,093.64-34,629.48-11,989.20

Finding the Fourth Proportional to 23,093.64, 34,629.48 and 11,989.20

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Solution

The fourth proportional to 23,093.64, 34,629.48 and 11,989.20 is: 17,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,093.64 : 34,629.48 = 11,989.20 : x
  2. Step 2: Convert to fraction form
    23,093.64/34,629.48 = 11,989.20/x
  3. Step 3: Cross multiply
    23,093.64x = 34,629.48 × 11,989.20
  4. Step 4: Simplify right side
    23,093.64x = 415,179,761.62
  5. Step 5: Solve for x
    x = 415,179,761.62/23,093.64
  6. Step 6: Final answer
    x = 17,978.10

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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.