Home / 13,067.83-18,033.40-7,099.45

Finding the Fourth Proportional to 13,067.83, 18,033.40 and 7,099.45

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Solution

The fourth proportional to 13,067.83, 18,033.40 and 7,099.45 is: 9,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.83 : 18,033.40 = 7,099.45 : x
  2. Step 2: Convert to fraction form
    13,067.83/18,033.40 = 7,099.45/x
  3. Step 3: Cross multiply
    13,067.83x = 18,033.40 × 7,099.45
  4. Step 4: Simplify right side
    13,067.83x = 128,027,185.42
  5. Step 5: Solve for x
    x = 128,027,185.42/13,067.83
  6. Step 6: Final answer
    x = 9,797.13

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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.