Home / 20,452.08-28,223.84-11,960.04

Finding the Fourth Proportional to 20,452.08, 28,223.84 and 11,960.04

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Solution

The fourth proportional to 20,452.08, 28,223.84 and 11,960.04 is: 16,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.08 : 28,223.84 = 11,960.04 : x
  2. Step 2: Convert to fraction form
    20,452.08/28,223.84 = 11,960.04/x
  3. Step 3: Cross multiply
    20,452.08x = 28,223.84 × 11,960.04
  4. Step 4: Simplify right side
    20,452.08x = 337,558,255.35
  5. Step 5: Solve for x
    x = 337,558,255.35/20,452.08
  6. Step 6: Final answer
    x = 16,504.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.