Home / 19,408.88-28,969.31-16,729.00

Finding the Fourth Proportional to 19,408.88, 28,969.31 and 16,729.00

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Solution

The fourth proportional to 19,408.88, 28,969.31 and 16,729.00 is: 24,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.88 : 28,969.31 = 16,729.00 : x
  2. Step 2: Convert to fraction form
    19,408.88/28,969.31 = 16,729.00/x
  3. Step 3: Cross multiply
    19,408.88x = 28,969.31 × 16,729.00
  4. Step 4: Simplify right side
    19,408.88x = 484,627,556.39
  5. Step 5: Solve for x
    x = 484,627,556.39/19,408.88
  6. Step 6: Final answer
    x = 24,969.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.