Home / 27,631.96-41,418.58-18,845.08

Finding the Fourth Proportional to 27,631.96, 41,418.58 and 18,845.08

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Solution

The fourth proportional to 27,631.96, 41,418.58 and 18,845.08 is: 28,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.96 : 41,418.58 = 18,845.08 : x
  2. Step 2: Convert to fraction form
    27,631.96/41,418.58 = 18,845.08/x
  3. Step 3: Cross multiply
    27,631.96x = 41,418.58 × 18,845.08
  4. Step 4: Simplify right side
    27,631.96x = 780,536,453.59
  5. Step 5: Solve for x
    x = 780,536,453.59/27,631.96
  6. Step 6: Final answer
    x = 28,247.60

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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.