Home / 20,713.20-31,074.62-5,922.32

Finding the Fourth Proportional to 20,713.20, 31,074.62 and 5,922.32

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Solution

The fourth proportional to 20,713.20, 31,074.62 and 5,922.32 is: 8,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.20 : 31,074.62 = 5,922.32 : x
  2. Step 2: Convert to fraction form
    20,713.20/31,074.62 = 5,922.32/x
  3. Step 3: Cross multiply
    20,713.20x = 31,074.62 × 5,922.32
  4. Step 4: Simplify right side
    20,713.20x = 184,033,843.52
  5. Step 5: Solve for x
    x = 184,033,843.52/20,713.20
  6. Step 6: Final answer
    x = 8,884.86

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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.