Home / 12,736.25-19,104.60-4,416.56

Finding the Fourth Proportional to 12,736.25, 19,104.60 and 4,416.56

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Solution

The fourth proportional to 12,736.25, 19,104.60 and 4,416.56 is: 6,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.25 : 19,104.60 = 4,416.56 : x
  2. Step 2: Convert to fraction form
    12,736.25/19,104.60 = 4,416.56/x
  3. Step 3: Cross multiply
    12,736.25x = 19,104.60 × 4,416.56
  4. Step 4: Simplify right side
    12,736.25x = 84,376,553.37
  5. Step 5: Solve for x
    x = 84,376,553.37/12,736.25
  6. Step 6: Final answer
    x = 6,624.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.