Home / 16,286.01-24,430.79-5,190.09

Finding the Fourth Proportional to 16,286.01, 24,430.79 and 5,190.09

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Solution

The fourth proportional to 16,286.01, 24,430.79 and 5,190.09 is: 7,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.01 : 24,430.79 = 5,190.09 : x
  2. Step 2: Convert to fraction form
    16,286.01/24,430.79 = 5,190.09/x
  3. Step 3: Cross multiply
    16,286.01x = 24,430.79 × 5,190.09
  4. Step 4: Simplify right side
    16,286.01x = 126,797,998.87
  5. Step 5: Solve for x
    x = 126,797,998.87/16,286.01
  6. Step 6: Final answer
    x = 7,785.70

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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.