Home / 27,104.59-40,680.24-18,790.45

Finding the Fourth Proportional to 27,104.59, 40,680.24 and 18,790.45

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Solution

The fourth proportional to 27,104.59, 40,680.24 and 18,790.45 is: 28,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.59 : 40,680.24 = 18,790.45 : x
  2. Step 2: Convert to fraction form
    27,104.59/40,680.24 = 18,790.45/x
  3. Step 3: Cross multiply
    27,104.59x = 40,680.24 × 18,790.45
  4. Step 4: Simplify right side
    27,104.59x = 764,399,788.82
  5. Step 5: Solve for x
    x = 764,399,788.82/27,104.59
  6. Step 6: Final answer
    x = 28,201.86

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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.