Home / 13,401.63-20,104.50-4,040.41

Finding the Fourth Proportional to 13,401.63, 20,104.50 and 4,040.41

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Solution

The fourth proportional to 13,401.63, 20,104.50 and 4,040.41 is: 6,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.63 : 20,104.50 = 4,040.41 : x
  2. Step 2: Convert to fraction form
    13,401.63/20,104.50 = 4,040.41/x
  3. Step 3: Cross multiply
    13,401.63x = 20,104.50 × 4,040.41
  4. Step 4: Simplify right side
    13,401.63x = 81,230,372.58
  5. Step 5: Solve for x
    x = 81,230,372.58/13,401.63
  6. Step 6: Final answer
    x = 6,061.23

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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.