Home / 18,479.24-27,729.79-6,800.66

Finding the Fourth Proportional to 18,479.24, 27,729.79 and 6,800.66

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Solution

The fourth proportional to 18,479.24, 27,729.79 and 6,800.66 is: 10,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.24 : 27,729.79 = 6,800.66 : x
  2. Step 2: Convert to fraction form
    18,479.24/27,729.79 = 6,800.66/x
  3. Step 3: Cross multiply
    18,479.24x = 27,729.79 × 6,800.66
  4. Step 4: Simplify right side
    18,479.24x = 188,580,718.01
  5. Step 5: Solve for x
    x = 188,580,718.01/18,479.24
  6. Step 6: Final answer
    x = 10,205.01

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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.