Home / 13,380.47-20,073.02-4,496.66

Finding the Fourth Proportional to 13,380.47, 20,073.02 and 4,496.66

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Solution

The fourth proportional to 13,380.47, 20,073.02 and 4,496.66 is: 6,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.47 : 20,073.02 = 4,496.66 : x
  2. Step 2: Convert to fraction form
    13,380.47/20,073.02 = 4,496.66/x
  3. Step 3: Cross multiply
    13,380.47x = 20,073.02 × 4,496.66
  4. Step 4: Simplify right side
    13,380.47x = 90,261,546.11
  5. Step 5: Solve for x
    x = 90,261,546.11/13,380.47
  6. Step 6: Final answer
    x = 6,745.77

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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.