Home / 20,794.72-28,696.68-11,842.22

Finding the Fourth Proportional to 20,794.72, 28,696.68 and 11,842.22

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Solution

The fourth proportional to 20,794.72, 28,696.68 and 11,842.22 is: 16,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.72 : 28,696.68 = 11,842.22 : x
  2. Step 2: Convert to fraction form
    20,794.72/28,696.68 = 11,842.22/x
  3. Step 3: Cross multiply
    20,794.72x = 28,696.68 × 11,842.22
  4. Step 4: Simplify right side
    20,794.72x = 339,832,397.83
  5. Step 5: Solve for x
    x = 339,832,397.83/20,794.72
  6. Step 6: Final answer
    x = 16,342.24

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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.