Home / 27,776.56-41,665.62-12,190.60

Finding the Fourth Proportional to 27,776.56, 41,665.62 and 12,190.60

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Solution

The fourth proportional to 27,776.56, 41,665.62 and 12,190.60 is: 18,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.56 : 41,665.62 = 12,190.60 : x
  2. Step 2: Convert to fraction form
    27,776.56/41,665.62 = 12,190.60/x
  3. Step 3: Cross multiply
    27,776.56x = 41,665.62 × 12,190.60
  4. Step 4: Simplify right side
    27,776.56x = 507,928,907.17
  5. Step 5: Solve for x
    x = 507,928,907.17/27,776.56
  6. Step 6: Final answer
    x = 18,286.24

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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.