Home / 15,238.73-21,028.97-8,524.47

Finding the Fourth Proportional to 15,238.73, 21,028.97 and 8,524.47

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Solution

The fourth proportional to 15,238.73, 21,028.97 and 8,524.47 is: 11,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.73 : 21,028.97 = 8,524.47 : x
  2. Step 2: Convert to fraction form
    15,238.73/21,028.97 = 8,524.47/x
  3. Step 3: Cross multiply
    15,238.73x = 21,028.97 × 8,524.47
  4. Step 4: Simplify right side
    15,238.73x = 179,260,781.27
  5. Step 5: Solve for x
    x = 179,260,781.27/15,238.73
  6. Step 6: Final answer
    x = 11,763.50

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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.