Home / 18,563.92-27,845.96-5,416.36

Finding the Fourth Proportional to 18,563.92, 27,845.96 and 5,416.36

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Solution

The fourth proportional to 18,563.92, 27,845.96 and 5,416.36 is: 8,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.92 : 27,845.96 = 5,416.36 : x
  2. Step 2: Convert to fraction form
    18,563.92/27,845.96 = 5,416.36/x
  3. Step 3: Cross multiply
    18,563.92x = 27,845.96 × 5,416.36
  4. Step 4: Simplify right side
    18,563.92x = 150,823,743.91
  5. Step 5: Solve for x
    x = 150,823,743.91/18,563.92
  6. Step 6: Final answer
    x = 8,124.56

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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.