Home / 13,067.52-18,033.20-7,099.19

Finding the Fourth Proportional to 13,067.52, 18,033.20 and 7,099.19

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Solution

The fourth proportional to 13,067.52, 18,033.20 and 7,099.19 is: 9,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.52 : 18,033.20 = 7,099.19 : x
  2. Step 2: Convert to fraction form
    13,067.52/18,033.20 = 7,099.19/x
  3. Step 3: Cross multiply
    13,067.52x = 18,033.20 × 7,099.19
  4. Step 4: Simplify right side
    13,067.52x = 128,021,122.70
  5. Step 5: Solve for x
    x = 128,021,122.70/13,067.52
  6. Step 6: Final answer
    x = 9,796.90

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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.