Home / 20,073.15-27,704.37-11,573.77

Finding the Fourth Proportional to 20,073.15, 27,704.37 and 11,573.77

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Solution

The fourth proportional to 20,073.15, 27,704.37 and 11,573.77 is: 15,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.15 : 27,704.37 = 11,573.77 : x
  2. Step 2: Convert to fraction form
    20,073.15/27,704.37 = 11,573.77/x
  3. Step 3: Cross multiply
    20,073.15x = 27,704.37 × 11,573.77
  4. Step 4: Simplify right side
    20,073.15x = 320,644,006.37
  5. Step 5: Solve for x
    x = 320,644,006.37/20,073.15
  6. Step 6: Final answer
    x = 15,973.78

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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.