Home / 20,786.24-31,179.13-5,995.06

Finding the Fourth Proportional to 20,786.24, 31,179.13 and 5,995.06

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Solution

The fourth proportional to 20,786.24, 31,179.13 and 5,995.06 is: 8,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,786.24 : 31,179.13 = 5,995.06 : x
  2. Step 2: Convert to fraction form
    20,786.24/31,179.13 = 5,995.06/x
  3. Step 3: Cross multiply
    20,786.24x = 31,179.13 × 5,995.06
  4. Step 4: Simplify right side
    20,786.24x = 186,920,755.10
  5. Step 5: Solve for x
    x = 186,920,755.10/20,786.24
  6. Step 6: Final answer
    x = 8,992.52

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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.