Home / 18,249.48-27,425.52-10,855.28

Finding the Fourth Proportional to 18,249.48, 27,425.52 and 10,855.28

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Solution

The fourth proportional to 18,249.48, 27,425.52 and 10,855.28 is: 16,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.48 : 27,425.52 = 10,855.28 : x
  2. Step 2: Convert to fraction form
    18,249.48/27,425.52 = 10,855.28/x
  3. Step 3: Cross multiply
    18,249.48x = 27,425.52 × 10,855.28
  4. Step 4: Simplify right side
    18,249.48x = 297,711,698.75
  5. Step 5: Solve for x
    x = 297,711,698.75/18,249.48
  6. Step 6: Final answer
    x = 16,313.43

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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.