Home / 20,033.03-27,644.89-11,080.50

Finding the Fourth Proportional to 20,033.03, 27,644.89 and 11,080.50

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Solution

The fourth proportional to 20,033.03, 27,644.89 and 11,080.50 is: 15,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.03 : 27,644.89 = 11,080.50 : x
  2. Step 2: Convert to fraction form
    20,033.03/27,644.89 = 11,080.50/x
  3. Step 3: Cross multiply
    20,033.03x = 27,644.89 × 11,080.50
  4. Step 4: Simplify right side
    20,033.03x = 306,319,148.24
  5. Step 5: Solve for x
    x = 306,319,148.24/20,033.03
  6. Step 6: Final answer
    x = 15,290.71

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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.