Home / 13,589.73-20,384.60-3,729.06

Finding the Fourth Proportional to 13,589.73, 20,384.60 and 3,729.06

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Solution

The fourth proportional to 13,589.73, 20,384.60 and 3,729.06 is: 5,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.73 : 20,384.60 = 3,729.06 : x
  2. Step 2: Convert to fraction form
    13,589.73/20,384.60 = 3,729.06/x
  3. Step 3: Cross multiply
    13,589.73x = 20,384.60 × 3,729.06
  4. Step 4: Simplify right side
    13,589.73x = 76,015,377.83
  5. Step 5: Solve for x
    x = 76,015,377.83/13,589.73
  6. Step 6: Final answer
    x = 5,593.59

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1.5x scale

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.