Home / 13,388.15-20,083.20-4,027.43

Finding the Fourth Proportional to 13,388.15, 20,083.20 and 4,027.43

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Solution

The fourth proportional to 13,388.15, 20,083.20 and 4,027.43 is: 6,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.15 : 20,083.20 = 4,027.43 : x
  2. Step 2: Convert to fraction form
    13,388.15/20,083.20 = 4,027.43/x
  3. Step 3: Cross multiply
    13,388.15x = 20,083.20 × 4,027.43
  4. Step 4: Simplify right side
    13,388.15x = 80,883,682.18
  5. Step 5: Solve for x
    x = 80,883,682.18/13,388.15
  6. Step 6: Final answer
    x = 6,041.44

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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.