Home / 13,028.08-19,552.44-6,789.88

Finding the Fourth Proportional to 13,028.08, 19,552.44 and 6,789.88

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Solution

The fourth proportional to 13,028.08, 19,552.44 and 6,789.88 is: 10,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.08 : 19,552.44 = 6,789.88 : x
  2. Step 2: Convert to fraction form
    13,028.08/19,552.44 = 6,789.88/x
  3. Step 3: Cross multiply
    13,028.08x = 19,552.44 × 6,789.88
  4. Step 4: Simplify right side
    13,028.08x = 132,758,721.31
  5. Step 5: Solve for x
    x = 132,758,721.31/13,028.08
  6. Step 6: Final answer
    x = 10,190.20

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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.