Home / 20,593.68-28,538.87-20,199.84

Finding the Fourth Proportional to 20,593.68, 28,538.87 and 20,199.84

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Solution

The fourth proportional to 20,593.68, 28,538.87 and 20,199.84 is: 27,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.68 : 28,538.87 = 20,199.84 : x
  2. Step 2: Convert to fraction form
    20,593.68/28,538.87 = 20,199.84/x
  3. Step 3: Cross multiply
    20,593.68x = 28,538.87 × 20,199.84
  4. Step 4: Simplify right side
    20,593.68x = 576,480,607.78
  5. Step 5: Solve for x
    x = 576,480,607.78/20,593.68
  6. Step 6: Final answer
    x = 27,993.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.