Home / 16,912.81-25,371.96-5,816.80

Finding the Fourth Proportional to 16,912.81, 25,371.96 and 5,816.80

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Solution

The fourth proportional to 16,912.81, 25,371.96 and 5,816.80 is: 8,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.81 : 25,371.96 = 5,816.80 : x
  2. Step 2: Convert to fraction form
    16,912.81/25,371.96 = 5,816.80/x
  3. Step 3: Cross multiply
    16,912.81x = 25,371.96 × 5,816.80
  4. Step 4: Simplify right side
    16,912.81x = 147,583,616.93
  5. Step 5: Solve for x
    x = 147,583,616.93/16,912.81
  6. Step 6: Final answer
    x = 8,726.14

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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.