Home / 20,848.76-28,767.24-11,896.04

Finding the Fourth Proportional to 20,848.76, 28,767.24 and 11,896.04

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Solution

The fourth proportional to 20,848.76, 28,767.24 and 11,896.04 is: 16,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.76 : 28,767.24 = 11,896.04 : x
  2. Step 2: Convert to fraction form
    20,848.76/28,767.24 = 11,896.04/x
  3. Step 3: Cross multiply
    20,848.76x = 28,767.24 × 11,896.04
  4. Step 4: Simplify right side
    20,848.76x = 342,216,093.89
  5. Step 5: Solve for x
    x = 342,216,093.89/20,848.76
  6. Step 6: Final answer
    x = 16,414.22

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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.