Home / 20,733.15-31,093.65-7,404.60

Finding the Fourth Proportional to 20,733.15, 31,093.65 and 7,404.60

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Solution

The fourth proportional to 20,733.15, 31,093.65 and 7,404.60 is: 11,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.15 : 31,093.65 = 7,404.60 : x
  2. Step 2: Convert to fraction form
    20,733.15/31,093.65 = 7,404.60/x
  3. Step 3: Cross multiply
    20,733.15x = 31,093.65 × 7,404.60
  4. Step 4: Simplify right side
    20,733.15x = 230,236,040.79
  5. Step 5: Solve for x
    x = 230,236,040.79/20,733.15
  6. Step 6: Final answer
    x = 11,104.73

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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.