Home / 18,479.37-27,725.94-11,089.13

Finding the Fourth Proportional to 18,479.37, 27,725.94 and 11,089.13

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Solution

The fourth proportional to 18,479.37, 27,725.94 and 11,089.13 is: 16,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.37 : 27,725.94 = 11,089.13 : x
  2. Step 2: Convert to fraction form
    18,479.37/27,725.94 = 11,089.13/x
  3. Step 3: Cross multiply
    18,479.37x = 27,725.94 × 11,089.13
  4. Step 4: Simplify right side
    18,479.37x = 307,456,553.03
  5. Step 5: Solve for x
    x = 307,456,553.03/18,479.37
  6. Step 6: Final answer
    x = 16,637.83

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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.