Home / 16,687.94-25,031.67-4,207.88

Finding the Fourth Proportional to 16,687.94, 25,031.67 and 4,207.88

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Solution

The fourth proportional to 16,687.94, 25,031.67 and 4,207.88 is: 6,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.94 : 25,031.67 = 4,207.88 : x
  2. Step 2: Convert to fraction form
    16,687.94/25,031.67 = 4,207.88/x
  3. Step 3: Cross multiply
    16,687.94x = 25,031.67 × 4,207.88
  4. Step 4: Simplify right side
    16,687.94x = 105,330,268.65
  5. Step 5: Solve for x
    x = 105,330,268.65/16,687.94
  6. Step 6: Final answer
    x = 6,311.76

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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.