Home / 13,028.28-19,542.34-3,167.57

Finding the Fourth Proportional to 13,028.28, 19,542.34 and 3,167.57

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Solution

The fourth proportional to 13,028.28, 19,542.34 and 3,167.57 is: 4,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.28 : 19,542.34 = 3,167.57 : x
  2. Step 2: Convert to fraction form
    13,028.28/19,542.34 = 3,167.57/x
  3. Step 3: Cross multiply
    13,028.28x = 19,542.34 × 3,167.57
  4. Step 4: Simplify right side
    13,028.28x = 61,901,782.73
  5. Step 5: Solve for x
    x = 61,901,782.73/13,028.28
  6. Step 6: Final answer
    x = 4,751.34

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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.