Home / 19,960.85-29,933.03-6,814.28

Finding the Fourth Proportional to 19,960.85, 29,933.03 and 6,814.28

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Solution

The fourth proportional to 19,960.85, 29,933.03 and 6,814.28 is: 10,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.85 : 29,933.03 = 6,814.28 : x
  2. Step 2: Convert to fraction form
    19,960.85/29,933.03 = 6,814.28/x
  3. Step 3: Cross multiply
    19,960.85x = 29,933.03 × 6,814.28
  4. Step 4: Simplify right side
    19,960.85x = 203,972,047.67
  5. Step 5: Solve for x
    x = 203,972,047.67/19,960.85
  6. Step 6: Final answer
    x = 10,218.61

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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.