Home / 19,766.66-29,617.07-13,910.96

Finding the Fourth Proportional to 19,766.66, 29,617.07 and 13,910.96

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Solution

The fourth proportional to 19,766.66, 29,617.07 and 13,910.96 is: 20,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.66 : 29,617.07 = 13,910.96 : x
  2. Step 2: Convert to fraction form
    19,766.66/29,617.07 = 13,910.96/x
  3. Step 3: Cross multiply
    19,766.66x = 29,617.07 × 13,910.96
  4. Step 4: Simplify right side
    19,766.66x = 412,001,658.45
  5. Step 5: Solve for x
    x = 412,001,658.45/19,766.66
  6. Step 6: Final answer
    x = 20,843.27

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1.5x scale

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.