Home / 20,458.25-30,683.94-5,668.67

Finding the Fourth Proportional to 20,458.25, 30,683.94 and 5,668.67

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Solution

The fourth proportional to 20,458.25, 30,683.94 and 5,668.67 is: 8,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.25 : 30,683.94 = 5,668.67 : x
  2. Step 2: Convert to fraction form
    20,458.25/30,683.94 = 5,668.67/x
  3. Step 3: Cross multiply
    20,458.25x = 30,683.94 × 5,668.67
  4. Step 4: Simplify right side
    20,458.25x = 173,936,976.74
  5. Step 5: Solve for x
    x = 173,936,976.74/20,458.25
  6. Step 6: Final answer
    x = 8,502.05

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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.