Home / 19,708.53-27,198.05-11,755.37

Finding the Fourth Proportional to 19,708.53, 27,198.05 and 11,755.37

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Solution

The fourth proportional to 19,708.53, 27,198.05 and 11,755.37 is: 16,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.53 : 27,198.05 = 11,755.37 : x
  2. Step 2: Convert to fraction form
    19,708.53/27,198.05 = 11,755.37/x
  3. Step 3: Cross multiply
    19,708.53x = 27,198.05 × 11,755.37
  4. Step 4: Simplify right side
    19,708.53x = 319,722,946.26
  5. Step 5: Solve for x
    x = 319,722,946.26/19,708.53
  6. Step 6: Final answer
    x = 16,222.57

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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.