Home / 16,928.91-25,384.83-9,911.04

Finding the Fourth Proportional to 16,928.91, 25,384.83 and 9,911.04

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Solution

The fourth proportional to 16,928.91, 25,384.83 and 9,911.04 is: 14,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.91 : 25,384.83 = 9,911.04 : x
  2. Step 2: Convert to fraction form
    16,928.91/25,384.83 = 9,911.04/x
  3. Step 3: Cross multiply
    16,928.91x = 25,384.83 × 9,911.04
  4. Step 4: Simplify right side
    16,928.91x = 251,589,933.16
  5. Step 5: Solve for x
    x = 251,589,933.16/16,928.91
  6. Step 6: Final answer
    x = 14,861.56

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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.