Home / 20,794.41-28,696.25-11,841.92

Finding the Fourth Proportional to 20,794.41, 28,696.25 and 11,841.92

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Solution

The fourth proportional to 20,794.41, 28,696.25 and 11,841.92 is: 16,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.41 : 28,696.25 = 11,841.92 : x
  2. Step 2: Convert to fraction form
    20,794.41/28,696.25 = 11,841.92/x
  3. Step 3: Cross multiply
    20,794.41x = 28,696.25 × 11,841.92
  4. Step 4: Simplify right side
    20,794.41x = 339,818,494.11
  5. Step 5: Solve for x
    x = 339,818,494.11/20,794.41
  6. Step 6: Final answer
    x = 16,341.82

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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.