Home / 37,185.89-55,775.99-12,226.75

Finding the Fourth Proportional to 37,185.89, 55,775.99 and 12,226.75

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Solution

The fourth proportional to 37,185.89, 55,775.99 and 12,226.75 is: 18,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.89 : 55,775.99 = 12,226.75 : x
  2. Step 2: Convert to fraction form
    37,185.89/55,775.99 = 12,226.75/x
  3. Step 3: Cross multiply
    37,185.89x = 55,775.99 × 12,226.75
  4. Step 4: Simplify right side
    37,185.89x = 681,958,976.86
  5. Step 5: Solve for x
    x = 681,958,976.86/37,185.89
  6. Step 6: Final answer
    x = 18,339.19

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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.