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Finding the Fourth Proportional to 15,092.57, 20,813.25 and 9,041.86

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Solution

The fourth proportional to 15,092.57, 20,813.25 and 9,041.86 is: 12,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,092.57 : 20,813.25 = 9,041.86 : x
  2. Step 2: Convert to fraction form
    15,092.57/20,813.25 = 9,041.86/x
  3. Step 3: Cross multiply
    15,092.57x = 20,813.25 × 9,041.86
  4. Step 4: Simplify right side
    15,092.57x = 188,190,552.57
  5. Step 5: Solve for x
    x = 188,190,552.57/15,092.57
  6. Step 6: Final answer
    x = 12,469.08

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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.