Home / 16,780.23-25,169.94-6,912.68

Finding the Fourth Proportional to 16,780.23, 25,169.94 and 6,912.68

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Solution

The fourth proportional to 16,780.23, 25,169.94 and 6,912.68 is: 10,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.23 : 25,169.94 = 6,912.68 : x
  2. Step 2: Convert to fraction form
    16,780.23/25,169.94 = 6,912.68/x
  3. Step 3: Cross multiply
    16,780.23x = 25,169.94 × 6,912.68
  4. Step 4: Simplify right side
    16,780.23x = 173,991,614.99
  5. Step 5: Solve for x
    x = 173,991,614.99/16,780.23
  6. Step 6: Final answer
    x = 10,368.85

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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.