Home / 16,687.08-25,031.88-6,831

Finding the Fourth Proportional to 16,687.08, 25,031.88 and 6,831

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Solution

The fourth proportional to 16,687.08, 25,031.88 and 6,831 is: 10,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.08 : 25,031.88 = 6,831 : x
  2. Step 2: Convert to fraction form
    16,687.08/25,031.88 = 6,831/x
  3. Step 3: Cross multiply
    16,687.08x = 25,031.88 × 6,831
  4. Step 4: Simplify right side
    16,687.08x = 170,992,772.28
  5. Step 5: Solve for x
    x = 170,992,772.28/16,687.08
  6. Step 6: Final answer
    x = 10,247.02

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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.