Home / 20,558.25-30,833.73-5,768.46

Finding the Fourth Proportional to 20,558.25, 30,833.73 and 5,768.46

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Solution

The fourth proportional to 20,558.25, 30,833.73 and 5,768.46 is: 8,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558.25 : 30,833.73 = 5,768.46 : x
  2. Step 2: Convert to fraction form
    20,558.25/30,833.73 = 5,768.46/x
  3. Step 3: Cross multiply
    20,558.25x = 30,833.73 × 5,768.46
  4. Step 4: Simplify right side
    20,558.25x = 177,863,138.16
  5. Step 5: Solve for x
    x = 177,863,138.16/20,558.25
  6. Step 6: Final answer
    x = 8,651.67

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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.