Home / 19,793.50-27,313.61-10,839.56

Finding the Fourth Proportional to 19,793.50, 27,313.61 and 10,839.56

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Solution

The fourth proportional to 19,793.50, 27,313.61 and 10,839.56 is: 14,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.50 : 27,313.61 = 10,839.56 : x
  2. Step 2: Convert to fraction form
    19,793.50/27,313.61 = 10,839.56/x
  3. Step 3: Cross multiply
    19,793.50x = 27,313.61 × 10,839.56
  4. Step 4: Simplify right side
    19,793.50x = 296,067,323.65
  5. Step 5: Solve for x
    x = 296,067,323.65/19,793.50
  6. Step 6: Final answer
    x = 14,957.81

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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.