Home / 27,179.08-40,772.94-13,329.16

Finding the Fourth Proportional to 27,179.08, 40,772.94 and 13,329.16

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Solution

The fourth proportional to 27,179.08, 40,772.94 and 13,329.16 is: 19,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.08 : 40,772.94 = 13,329.16 : x
  2. Step 2: Convert to fraction form
    27,179.08/40,772.94 = 13,329.16/x
  3. Step 3: Cross multiply
    27,179.08x = 40,772.94 × 13,329.16
  4. Step 4: Simplify right side
    27,179.08x = 543,469,040.93
  5. Step 5: Solve for x
    x = 543,469,040.93/27,179.08
  6. Step 6: Final answer
    x = 19,995.86

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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.