Home / 20,542.11-28,348.48-12,050.32

Finding the Fourth Proportional to 20,542.11, 28,348.48 and 12,050.32

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Solution

The fourth proportional to 20,542.11, 28,348.48 and 12,050.32 is: 16,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.11 : 28,348.48 = 12,050.32 : x
  2. Step 2: Convert to fraction form
    20,542.11/28,348.48 = 12,050.32/x
  3. Step 3: Cross multiply
    20,542.11x = 28,348.48 × 12,050.32
  4. Step 4: Simplify right side
    20,542.11x = 341,608,252.86
  5. Step 5: Solve for x
    x = 341,608,252.86/20,542.11
  6. Step 6: Final answer
    x = 16,629.66

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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.