Home / 18,669.07-27,997.38-6,185.55

Finding the Fourth Proportional to 18,669.07, 27,997.38 and 6,185.55

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Solution

The fourth proportional to 18,669.07, 27,997.38 and 6,185.55 is: 9,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.07 : 27,997.38 = 6,185.55 : x
  2. Step 2: Convert to fraction form
    18,669.07/27,997.38 = 6,185.55/x
  3. Step 3: Cross multiply
    18,669.07x = 27,997.38 × 6,185.55
  4. Step 4: Simplify right side
    18,669.07x = 173,179,193.86
  5. Step 5: Solve for x
    x = 173,179,193.86/18,669.07
  6. Step 6: Final answer
    x = 9,276.26

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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.