Home / 20,747.98-28,634.64-11,796.83

Finding the Fourth Proportional to 20,747.98, 28,634.64 and 11,796.83

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Solution

The fourth proportional to 20,747.98, 28,634.64 and 11,796.83 is: 16,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.98 : 28,634.64 = 11,796.83 : x
  2. Step 2: Convert to fraction form
    20,747.98/28,634.64 = 11,796.83/x
  3. Step 3: Cross multiply
    20,747.98x = 28,634.64 × 11,796.83
  4. Step 4: Simplify right side
    20,747.98x = 337,797,828.57
  5. Step 5: Solve for x
    x = 337,797,828.57/20,747.98
  6. Step 6: Final answer
    x = 16,281.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.