Home / 12,755.68-19,138.44-4,436.56

Finding the Fourth Proportional to 12,755.68, 19,138.44 and 4,436.56

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Solution

The fourth proportional to 12,755.68, 19,138.44 and 4,436.56 is: 6,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.68 : 19,138.44 = 4,436.56 : x
  2. Step 2: Convert to fraction form
    12,755.68/19,138.44 = 4,436.56/x
  3. Step 3: Cross multiply
    12,755.68x = 19,138.44 × 4,436.56
  4. Step 4: Simplify right side
    12,755.68x = 84,908,837.37
  5. Step 5: Solve for x
    x = 84,908,837.37/12,755.68
  6. Step 6: Final answer
    x = 6,656.55

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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.