Home / 18,198.23-27,334.71-11,967.10

Finding the Fourth Proportional to 18,198.23, 27,334.71 and 11,967.10

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Solution

The fourth proportional to 18,198.23, 27,334.71 and 11,967.10 is: 17,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.23 : 27,334.71 = 11,967.10 : x
  2. Step 2: Convert to fraction form
    18,198.23/27,334.71 = 11,967.10/x
  3. Step 3: Cross multiply
    18,198.23x = 27,334.71 × 11,967.10
  4. Step 4: Simplify right side
    18,198.23x = 327,117,259.80
  5. Step 5: Solve for x
    x = 327,117,259.80/18,198.23
  6. Step 6: Final answer
    x = 17,975.22

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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.