Home / 13,408.88-20,109.26-4,048.11

Finding the Fourth Proportional to 13,408.88, 20,109.26 and 4,048.11

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Solution

The fourth proportional to 13,408.88, 20,109.26 and 4,048.11 is: 6,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.88 : 20,109.26 = 4,048.11 : x
  2. Step 2: Convert to fraction form
    13,408.88/20,109.26 = 4,048.11/x
  3. Step 3: Cross multiply
    13,408.88x = 20,109.26 × 4,048.11
  4. Step 4: Simplify right side
    13,408.88x = 81,404,506.62
  5. Step 5: Solve for x
    x = 81,404,506.62/13,408.88
  6. Step 6: Final answer
    x = 6,070.94

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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.