Home / 25,771.92-35,540.76-16,816.56

Finding the Fourth Proportional to 25,771.92, 35,540.76 and 16,816.56

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Solution

The fourth proportional to 25,771.92, 35,540.76 and 16,816.56 is: 23,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.92 : 35,540.76 = 16,816.56 : x
  2. Step 2: Convert to fraction form
    25,771.92/35,540.76 = 16,816.56/x
  3. Step 3: Cross multiply
    25,771.92x = 35,540.76 × 16,816.56
  4. Step 4: Simplify right side
    25,771.92x = 597,673,322.99
  5. Step 5: Solve for x
    x = 597,673,322.99/25,771.92
  6. Step 6: Final answer
    x = 23,190.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.