Home / 19,067.16-28,608.60-8,388.03

Finding the Fourth Proportional to 19,067.16, 28,608.60 and 8,388.03

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Solution

The fourth proportional to 19,067.16, 28,608.60 and 8,388.03 is: 12,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.16 : 28,608.60 = 8,388.03 : x
  2. Step 2: Convert to fraction form
    19,067.16/28,608.60 = 8,388.03/x
  3. Step 3: Cross multiply
    19,067.16x = 28,608.60 × 8,388.03
  4. Step 4: Simplify right side
    19,067.16x = 239,969,795.06
  5. Step 5: Solve for x
    x = 239,969,795.06/19,067.16
  6. Step 6: Final answer
    x = 12,585.50

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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.