Home / 18,395.55-27,571.73-8,513.96

Finding the Fourth Proportional to 18,395.55, 27,571.73 and 8,513.96

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Solution

The fourth proportional to 18,395.55, 27,571.73 and 8,513.96 is: 12,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.55 : 27,571.73 = 8,513.96 : x
  2. Step 2: Convert to fraction form
    18,395.55/27,571.73 = 8,513.96/x
  3. Step 3: Cross multiply
    18,395.55x = 27,571.73 × 8,513.96
  4. Step 4: Simplify right side
    18,395.55x = 234,744,425.92
  5. Step 5: Solve for x
    x = 234,744,425.92/18,395.55
  6. Step 6: Final answer
    x = 12,760.94

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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.