Home / 16,723.70-25,073.40-6,857.90

Finding the Fourth Proportional to 16,723.70, 25,073.40 and 6,857.90

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Solution

The fourth proportional to 16,723.70, 25,073.40 and 6,857.90 is: 10,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,723.70 : 25,073.40 = 6,857.90 : x
  2. Step 2: Convert to fraction form
    16,723.70/25,073.40 = 6,857.90/x
  3. Step 3: Cross multiply
    16,723.70x = 25,073.40 × 6,857.90
  4. Step 4: Simplify right side
    16,723.70x = 171,950,869.86
  5. Step 5: Solve for x
    x = 171,950,869.86/16,723.70
  6. Step 6: Final answer
    x = 10,281.87

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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.