Home / 16,910.98-25,361.34-5,811.28

Finding the Fourth Proportional to 16,910.98, 25,361.34 and 5,811.28

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Solution

The fourth proportional to 16,910.98, 25,361.34 and 5,811.28 is: 8,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.98 : 25,361.34 = 5,811.28 : x
  2. Step 2: Convert to fraction form
    16,910.98/25,361.34 = 5,811.28/x
  3. Step 3: Cross multiply
    16,910.98x = 25,361.34 × 5,811.28
  4. Step 4: Simplify right side
    16,910.98x = 147,381,847.92
  5. Step 5: Solve for x
    x = 147,381,847.92/16,910.98
  6. Step 6: Final answer
    x = 8,715.16

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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.