Home / 13,067.17-18,033.03-7,099.18

Finding the Fourth Proportional to 13,067.17, 18,033.03 and 7,099.18

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Solution

The fourth proportional to 13,067.17, 18,033.03 and 7,099.18 is: 9,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.17 : 18,033.03 = 7,099.18 : x
  2. Step 2: Convert to fraction form
    13,067.17/18,033.03 = 7,099.18/x
  3. Step 3: Cross multiply
    13,067.17x = 18,033.03 × 7,099.18
  4. Step 4: Simplify right side
    13,067.17x = 128,019,725.92
  5. Step 5: Solve for x
    x = 128,019,725.92/13,067.17
  6. Step 6: Final answer
    x = 9,797.05

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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.