Home / 20,033.06-27,644.50-11,079.97

Finding the Fourth Proportional to 20,033.06, 27,644.50 and 11,079.97

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Solution

The fourth proportional to 20,033.06, 27,644.50 and 11,079.97 is: 15,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.06 : 27,644.50 = 11,079.97 : x
  2. Step 2: Convert to fraction form
    20,033.06/27,644.50 = 11,079.97/x
  3. Step 3: Cross multiply
    20,033.06x = 27,644.50 × 11,079.97
  4. Step 4: Simplify right side
    20,033.06x = 306,300,230.67
  5. Step 5: Solve for x
    x = 306,300,230.67/20,033.06
  6. Step 6: Final answer
    x = 15,289.74

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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.