Home / 20,229.94-27,930.59-13,063.06

Finding the Fourth Proportional to 20,229.94, 27,930.59 and 13,063.06

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Solution

The fourth proportional to 20,229.94, 27,930.59 and 13,063.06 is: 18,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.94 : 27,930.59 = 13,063.06 : x
  2. Step 2: Convert to fraction form
    20,229.94/27,930.59 = 13,063.06/x
  3. Step 3: Cross multiply
    20,229.94x = 27,930.59 × 13,063.06
  4. Step 4: Simplify right side
    20,229.94x = 364,858,973.01
  5. Step 5: Solve for x
    x = 364,858,973.01/20,229.94
  6. Step 6: Final answer
    x = 18,035.59

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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.