Home / 15,236.91-21,028.68-8,524.24

Finding the Fourth Proportional to 15,236.91, 21,028.68 and 8,524.24

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Solution

The fourth proportional to 15,236.91, 21,028.68 and 8,524.24 is: 11,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.91 : 21,028.68 = 8,524.24 : x
  2. Step 2: Convert to fraction form
    15,236.91/21,028.68 = 8,524.24/x
  3. Step 3: Cross multiply
    15,236.91x = 21,028.68 × 8,524.24
  4. Step 4: Simplify right side
    15,236.91x = 179,253,462.63
  5. Step 5: Solve for x
    x = 179,253,462.63/15,236.91
  6. Step 6: Final answer
    x = 11,764.42

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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.