Home / 18,429.57-27,641.63-9,067.07

Finding the Fourth Proportional to 18,429.57, 27,641.63 and 9,067.07

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Solution

The fourth proportional to 18,429.57, 27,641.63 and 9,067.07 is: 13,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.57 : 27,641.63 = 9,067.07 : x
  2. Step 2: Convert to fraction form
    18,429.57/27,641.63 = 9,067.07/x
  3. Step 3: Cross multiply
    18,429.57x = 27,641.63 × 9,067.07
  4. Step 4: Simplify right side
    18,429.57x = 250,628,685.90
  5. Step 5: Solve for x
    x = 250,628,685.90/18,429.57
  6. Step 6: Final answer
    x = 13,599.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.