Home / 18,724.43-25,844.04-10,771.26

Finding the Fourth Proportional to 18,724.43, 25,844.04 and 10,771.26

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Solution

The fourth proportional to 18,724.43, 25,844.04 and 10,771.26 is: 14,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.43 : 25,844.04 = 10,771.26 : x
  2. Step 2: Convert to fraction form
    18,724.43/25,844.04 = 10,771.26/x
  3. Step 3: Cross multiply
    18,724.43x = 25,844.04 × 10,771.26
  4. Step 4: Simplify right side
    18,724.43x = 278,372,874.29
  5. Step 5: Solve for x
    x = 278,372,874.29/18,724.43
  6. Step 6: Final answer
    x = 14,866.83

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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.