Home / 18,575.80-27,863.70-11,176.45

Finding the Fourth Proportional to 18,575.80, 27,863.70 and 11,176.45

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Solution

The fourth proportional to 18,575.80, 27,863.70 and 11,176.45 is: 16,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.80 : 27,863.70 = 11,176.45 : x
  2. Step 2: Convert to fraction form
    18,575.80/27,863.70 = 11,176.45/x
  3. Step 3: Cross multiply
    18,575.80x = 27,863.70 × 11,176.45
  4. Step 4: Simplify right side
    18,575.80x = 311,417,249.87
  5. Step 5: Solve for x
    x = 311,417,249.87/18,575.80
  6. Step 6: Final answer
    x = 16,764.68

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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.