Home / 18,724.36-25,839.62-10,768.15

Finding the Fourth Proportional to 18,724.36, 25,839.62 and 10,768.15

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Solution

The fourth proportional to 18,724.36, 25,839.62 and 10,768.15 is: 14,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.36 : 25,839.62 = 10,768.15 : x
  2. Step 2: Convert to fraction form
    18,724.36/25,839.62 = 10,768.15/x
  3. Step 3: Cross multiply
    18,724.36x = 25,839.62 × 10,768.15
  4. Step 4: Simplify right side
    18,724.36x = 278,244,850.26
  5. Step 5: Solve for x
    x = 278,244,850.26/18,724.36
  6. Step 6: Final answer
    x = 14,860.05

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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.