Home / 13,028.18-19,540.57-3,667.26

Finding the Fourth Proportional to 13,028.18, 19,540.57 and 3,667.26

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Solution

The fourth proportional to 13,028.18, 19,540.57 and 3,667.26 is: 5,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.18 : 19,540.57 = 3,667.26 : x
  2. Step 2: Convert to fraction form
    13,028.18/19,540.57 = 3,667.26/x
  3. Step 3: Cross multiply
    13,028.18x = 19,540.57 × 3,667.26
  4. Step 4: Simplify right side
    13,028.18x = 71,660,350.74
  5. Step 5: Solve for x
    x = 71,660,350.74/13,028.18
  6. Step 6: Final answer
    x = 5,500.41

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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.