Home / 16,896.76-23,286.60-11,221.48

Finding the Fourth Proportional to 16,896.76, 23,286.60 and 11,221.48

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Solution

The fourth proportional to 16,896.76, 23,286.60 and 11,221.48 is: 15,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.76 : 23,286.60 = 11,221.48 : x
  2. Step 2: Convert to fraction form
    16,896.76/23,286.60 = 11,221.48/x
  3. Step 3: Cross multiply
    16,896.76x = 23,286.60 × 11,221.48
  4. Step 4: Simplify right side
    16,896.76x = 261,310,116.17
  5. Step 5: Solve for x
    x = 261,310,116.17/16,896.76
  6. Step 6: Final answer
    x = 15,465.10

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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.