Home / 20,589.88-30,884.84-5,800.36

Finding the Fourth Proportional to 20,589.88, 30,884.84 and 5,800.36

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Solution

The fourth proportional to 20,589.88, 30,884.84 and 5,800.36 is: 8,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.88 : 30,884.84 = 5,800.36 : x
  2. Step 2: Convert to fraction form
    20,589.88/30,884.84 = 5,800.36/x
  3. Step 3: Cross multiply
    20,589.88x = 30,884.84 × 5,800.36
  4. Step 4: Simplify right side
    20,589.88x = 179,143,190.54
  5. Step 5: Solve for x
    x = 179,143,190.54/20,589.88
  6. Step 6: Final answer
    x = 8,700.55

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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.