Home / 13,067.36-18,033.08-7,099.14

Finding the Fourth Proportional to 13,067.36, 18,033.08 and 7,099.14

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Solution

The fourth proportional to 13,067.36, 18,033.08 and 7,099.14 is: 9,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.36 : 18,033.08 = 7,099.14 : x
  2. Step 2: Convert to fraction form
    13,067.36/18,033.08 = 7,099.14/x
  3. Step 3: Cross multiply
    13,067.36x = 18,033.08 × 7,099.14
  4. Step 4: Simplify right side
    13,067.36x = 128,019,359.55
  5. Step 5: Solve for x
    x = 128,019,359.55/13,067.36
  6. Step 6: Final answer
    x = 9,796.88

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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.