Home / 13,599.33-20,399.22-3,738.56

Finding the Fourth Proportional to 13,599.33, 20,399.22 and 3,738.56

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Solution

The fourth proportional to 13,599.33, 20,399.22 and 3,738.56 is: 5,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.33 : 20,399.22 = 3,738.56 : x
  2. Step 2: Convert to fraction form
    13,599.33/20,399.22 = 3,738.56/x
  3. Step 3: Cross multiply
    13,599.33x = 20,399.22 × 3,738.56
  4. Step 4: Simplify right side
    13,599.33x = 76,263,605.93
  5. Step 5: Solve for x
    x = 76,263,605.93/13,599.33
  6. Step 6: Final answer
    x = 5,607.89

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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.