Home / 20,788.24-31,182.13-5,997.06

Finding the Fourth Proportional to 20,788.24, 31,182.13 and 5,997.06

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Solution

The fourth proportional to 20,788.24, 31,182.13 and 5,997.06 is: 8,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,788.24 : 31,182.13 = 5,997.06 : x
  2. Step 2: Convert to fraction form
    20,788.24/31,182.13 = 5,997.06/x
  3. Step 3: Cross multiply
    20,788.24x = 31,182.13 × 5,997.06
  4. Step 4: Simplify right side
    20,788.24x = 187,001,104.54
  5. Step 5: Solve for x
    x = 187,001,104.54/20,788.24
  6. Step 6: Final answer
    x = 8,995.52

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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.