Home / 20,457.92-30,683.44-5,668.32

Finding the Fourth Proportional to 20,457.92, 30,683.44 and 5,668.32

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Solution

The fourth proportional to 20,457.92, 30,683.44 and 5,668.32 is: 8,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,457.92 : 30,683.44 = 5,668.32 : x
  2. Step 2: Convert to fraction form
    20,457.92/30,683.44 = 5,668.32/x
  3. Step 3: Cross multiply
    20,457.92x = 30,683.44 × 5,668.32
  4. Step 4: Simplify right side
    20,457.92x = 173,923,556.62
  5. Step 5: Solve for x
    x = 173,923,556.62/20,457.92
  6. Step 6: Final answer
    x = 8,501.53

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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.