Home / 20,224.24-27,910.31-11,271.74

Finding the Fourth Proportional to 20,224.24, 27,910.31 and 11,271.74

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Solution

The fourth proportional to 20,224.24, 27,910.31 and 11,271.74 is: 15,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.24 : 27,910.31 = 11,271.74 : x
  2. Step 2: Convert to fraction form
    20,224.24/27,910.31 = 11,271.74/x
  3. Step 3: Cross multiply
    20,224.24x = 27,910.31 × 11,271.74
  4. Step 4: Simplify right side
    20,224.24x = 314,597,757.64
  5. Step 5: Solve for x
    x = 314,597,757.64/20,224.24
  6. Step 6: Final answer
    x = 15,555.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.