Home / 13,734.36-20,602.26-3,874.41

Finding the Fourth Proportional to 13,734.36, 20,602.26 and 3,874.41

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Solution

The fourth proportional to 13,734.36, 20,602.26 and 3,874.41 is: 5,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.36 : 20,602.26 = 3,874.41 : x
  2. Step 2: Convert to fraction form
    13,734.36/20,602.26 = 3,874.41/x
  3. Step 3: Cross multiply
    13,734.36x = 20,602.26 × 3,874.41
  4. Step 4: Simplify right side
    13,734.36x = 79,821,549.67
  5. Step 5: Solve for x
    x = 79,821,549.67/13,734.36
  6. Step 6: Final answer
    x = 5,811.81

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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.