Home / 13,067.08-18,035.70-7,481.32

Finding the Fourth Proportional to 13,067.08, 18,035.70 and 7,481.32

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Solution

The fourth proportional to 13,067.08, 18,035.70 and 7,481.32 is: 10,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.08 : 18,035.70 = 7,481.32 : x
  2. Step 2: Convert to fraction form
    13,067.08/18,035.70 = 7,481.32/x
  3. Step 3: Cross multiply
    13,067.08x = 18,035.70 × 7,481.32
  4. Step 4: Simplify right side
    13,067.08x = 134,930,843.12
  5. Step 5: Solve for x
    x = 134,930,843.12/13,067.08
  6. Step 6: Final answer
    x = 10,326.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.