Home / 18,325.77-27,469.53-8,471.55

Finding the Fourth Proportional to 18,325.77, 27,469.53 and 8,471.55

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Solution

The fourth proportional to 18,325.77, 27,469.53 and 8,471.55 is: 12,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.77 : 27,469.53 = 8,471.55 : x
  2. Step 2: Convert to fraction form
    18,325.77/27,469.53 = 8,471.55/x
  3. Step 3: Cross multiply
    18,325.77x = 27,469.53 × 8,471.55
  4. Step 4: Simplify right side
    18,325.77x = 232,709,496.87
  5. Step 5: Solve for x
    x = 232,709,496.87/18,325.77
  6. Step 6: Final answer
    x = 12,698.48

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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.