Home / 13,789.68-20,684.49-5,998.48

Finding the Fourth Proportional to 13,789.68, 20,684.49 and 5,998.48

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Solution

The fourth proportional to 13,789.68, 20,684.49 and 5,998.48 is: 8,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.68 : 20,684.49 = 5,998.48 : x
  2. Step 2: Convert to fraction form
    13,789.68/20,684.49 = 5,998.48/x
  3. Step 3: Cross multiply
    13,789.68x = 20,684.49 × 5,998.48
  4. Step 4: Simplify right side
    13,789.68x = 124,075,499.58
  5. Step 5: Solve for x
    x = 124,075,499.58/13,789.68
  6. Step 6: Final answer
    x = 8,997.71

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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.