Home / 16,868.89-25,286.41-5,767.99

Finding the Fourth Proportional to 16,868.89, 25,286.41 and 5,767.99

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Solution

The fourth proportional to 16,868.89, 25,286.41 and 5,767.99 is: 8,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.89 : 25,286.41 = 5,767.99 : x
  2. Step 2: Convert to fraction form
    16,868.89/25,286.41 = 5,767.99/x
  3. Step 3: Cross multiply
    16,868.89x = 25,286.41 × 5,767.99
  4. Step 4: Simplify right side
    16,868.89x = 145,851,718.98
  5. Step 5: Solve for x
    x = 145,851,718.98/16,868.89
  6. Step 6: Final answer
    x = 8,646.19

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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.