Home / 20,850.08-31,276.62-5,859.41

Finding the Fourth Proportional to 20,850.08, 31,276.62 and 5,859.41

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Solution

The fourth proportional to 20,850.08, 31,276.62 and 5,859.41 is: 8,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850.08 : 31,276.62 = 5,859.41 : x
  2. Step 2: Convert to fraction form
    20,850.08/31,276.62 = 5,859.41/x
  3. Step 3: Cross multiply
    20,850.08x = 31,276.62 × 5,859.41
  4. Step 4: Simplify right side
    20,850.08x = 183,262,383.61
  5. Step 5: Solve for x
    x = 183,262,383.61/20,850.08
  6. Step 6: Final answer
    x = 8,789.53

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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.