Home / 18,571.59-27,851.76-6,723.92

Finding the Fourth Proportional to 18,571.59, 27,851.76 and 6,723.92

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Solution

The fourth proportional to 18,571.59, 27,851.76 and 6,723.92 is: 10,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.59 : 27,851.76 = 6,723.92 : x
  2. Step 2: Convert to fraction form
    18,571.59/27,851.76 = 6,723.92/x
  3. Step 3: Cross multiply
    18,571.59x = 27,851.76 × 6,723.92
  4. Step 4: Simplify right side
    18,571.59x = 187,273,075.73
  5. Step 5: Solve for x
    x = 187,273,075.73/18,571.59
  6. Step 6: Final answer
    x = 10,083.85

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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.