Home / 20,794.33-28,696.15-11,841.84

Finding the Fourth Proportional to 20,794.33, 28,696.15 and 11,841.84

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Solution

The fourth proportional to 20,794.33, 28,696.15 and 11,841.84 is: 16,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.33 : 28,696.15 = 11,841.84 : x
  2. Step 2: Convert to fraction form
    20,794.33/28,696.15 = 11,841.84/x
  3. Step 3: Cross multiply
    20,794.33x = 28,696.15 × 11,841.84
  4. Step 4: Simplify right side
    20,794.33x = 339,815,165.11
  5. Step 5: Solve for x
    x = 339,815,165.11/20,794.33
  6. Step 6: Final answer
    x = 16,341.72

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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.