Home / 20,541.96-28,348.20-12,049.92

Finding the Fourth Proportional to 20,541.96, 28,348.20 and 12,049.92

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Solution

The fourth proportional to 20,541.96, 28,348.20 and 12,049.92 is: 16,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.96 : 28,348.20 = 12,049.92 : x
  2. Step 2: Convert to fraction form
    20,541.96/28,348.20 = 12,049.92/x
  3. Step 3: Cross multiply
    20,541.96x = 28,348.20 × 12,049.92
  4. Step 4: Simplify right side
    20,541.96x = 341,593,542.14
  5. Step 5: Solve for x
    x = 341,593,542.14/20,541.96
  6. Step 6: Final answer
    x = 16,629.06

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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.