Home / 20,794.41-28,692.96-11,842.10

Finding the Fourth Proportional to 20,794.41, 28,692.96 and 11,842.10

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Solution

The fourth proportional to 20,794.41, 28,692.96 and 11,842.10 is: 16,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.41 : 28,692.96 = 11,842.10 : x
  2. Step 2: Convert to fraction form
    20,794.41/28,692.96 = 11,842.10/x
  3. Step 3: Cross multiply
    20,794.41x = 28,692.96 × 11,842.10
  4. Step 4: Simplify right side
    20,794.41x = 339,784,758.15
  5. Step 5: Solve for x
    x = 339,784,758.15/20,794.41
  6. Step 6: Final answer
    x = 16,340.20

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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.