Home / 19,228.80-26,535.78-11,269.44

Finding the Fourth Proportional to 19,228.80, 26,535.78 and 11,269.44

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Solution

The fourth proportional to 19,228.80, 26,535.78 and 11,269.44 is: 15,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.80 : 26,535.78 = 11,269.44 : x
  2. Step 2: Convert to fraction form
    19,228.80/26,535.78 = 11,269.44/x
  3. Step 3: Cross multiply
    19,228.80x = 26,535.78 × 11,269.44
  4. Step 4: Simplify right side
    19,228.80x = 299,043,380.56
  5. Step 5: Solve for x
    x = 299,043,380.56/19,228.80
  6. Step 6: Final answer
    x = 15,551.85

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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.