Home / 20,893.93-28,834.29-11,463.37

Finding the Fourth Proportional to 20,893.93, 28,834.29 and 11,463.37

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Solution

The fourth proportional to 20,893.93, 28,834.29 and 11,463.37 is: 15,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.93 : 28,834.29 = 11,463.37 : x
  2. Step 2: Convert to fraction form
    20,893.93/28,834.29 = 11,463.37/x
  3. Step 3: Cross multiply
    20,893.93x = 28,834.29 × 11,463.37
  4. Step 4: Simplify right side
    20,893.93x = 330,538,062.87
  5. Step 5: Solve for x
    x = 330,538,062.87/20,893.93
  6. Step 6: Final answer
    x = 15,819.81

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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.