Home / 13,067.90-18,033.82-7,099.58

Finding the Fourth Proportional to 13,067.90, 18,033.82 and 7,099.58

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Solution

The fourth proportional to 13,067.90, 18,033.82 and 7,099.58 is: 9,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.90 : 18,033.82 = 7,099.58 : x
  2. Step 2: Convert to fraction form
    13,067.90/18,033.82 = 7,099.58/x
  3. Step 3: Cross multiply
    13,067.90x = 18,033.82 × 7,099.58
  4. Step 4: Simplify right side
    13,067.90x = 128,032,547.80
  5. Step 5: Solve for x
    x = 128,032,547.80/13,067.90
  6. Step 6: Final answer
    x = 9,797.48

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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.