Home / 15,249.52-21,044.41-8,535.27

Finding the Fourth Proportional to 15,249.52, 21,044.41 and 8,535.27

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Solution

The fourth proportional to 15,249.52, 21,044.41 and 8,535.27 is: 11,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.52 : 21,044.41 = 8,535.27 : x
  2. Step 2: Convert to fraction form
    15,249.52/21,044.41 = 8,535.27/x
  3. Step 3: Cross multiply
    15,249.52x = 21,044.41 × 8,535.27
  4. Step 4: Simplify right side
    15,249.52x = 179,619,778.92
  5. Step 5: Solve for x
    x = 179,619,778.92/15,249.52
  6. Step 6: Final answer
    x = 11,778.72

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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.