Home / 20,846.24-28,767.60-11,414.24

Finding the Fourth Proportional to 20,846.24, 28,767.60 and 11,414.24

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Solution

The fourth proportional to 20,846.24, 28,767.60 and 11,414.24 is: 15,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.24 : 28,767.60 = 11,414.24 : x
  2. Step 2: Convert to fraction form
    20,846.24/28,767.60 = 11,414.24/x
  3. Step 3: Cross multiply
    20,846.24x = 28,767.60 × 11,414.24
  4. Step 4: Simplify right side
    20,846.24x = 328,360,290.62
  5. Step 5: Solve for x
    x = 328,360,290.62/20,846.24
  6. Step 6: Final answer
    x = 15,751.54

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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.