Home / 18,839.22-25,997.19-10,880.97

Finding the Fourth Proportional to 18,839.22, 25,997.19 and 10,880.97

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Solution

The fourth proportional to 18,839.22, 25,997.19 and 10,880.97 is: 15,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.22 : 25,997.19 = 10,880.97 : x
  2. Step 2: Convert to fraction form
    18,839.22/25,997.19 = 10,880.97/x
  3. Step 3: Cross multiply
    18,839.22x = 25,997.19 × 10,880.97
  4. Step 4: Simplify right side
    18,839.22x = 282,874,771.44
  5. Step 5: Solve for x
    x = 282,874,771.44/18,839.22
  6. Step 6: Final answer
    x = 15,015.20

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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.