Home / 20,452.24-28,224.90-11,959.84

Finding the Fourth Proportional to 20,452.24, 28,224.90 and 11,959.84

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Solution

The fourth proportional to 20,452.24, 28,224.90 and 11,959.84 is: 16,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.24 : 28,224.90 = 11,959.84 : x
  2. Step 2: Convert to fraction form
    20,452.24/28,224.90 = 11,959.84/x
  3. Step 3: Cross multiply
    20,452.24x = 28,224.90 × 11,959.84
  4. Step 4: Simplify right side
    20,452.24x = 337,565,288.02
  5. Step 5: Solve for x
    x = 337,565,288.02/20,452.24
  6. Step 6: Final answer
    x = 16,505.05

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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.