Home / 16,911.24-25,371.18-6,381.96

Finding the Fourth Proportional to 16,911.24, 25,371.18 and 6,381.96

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Solution

The fourth proportional to 16,911.24, 25,371.18 and 6,381.96 is: 9,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.24 : 25,371.18 = 6,381.96 : x
  2. Step 2: Convert to fraction form
    16,911.24/25,371.18 = 6,381.96/x
  3. Step 3: Cross multiply
    16,911.24x = 25,371.18 × 6,381.96
  4. Step 4: Simplify right side
    16,911.24x = 161,917,855.91
  5. Step 5: Solve for x
    x = 161,917,855.91/16,911.24
  6. Step 6: Final answer
    x = 9,574.57

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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.