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Finding the Fourth Proportional to 15,092.25, 20,826.30 and 9,127.22

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Solution

The fourth proportional to 15,092.25, 20,826.30 and 9,127.22 is: 12,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,092.25 : 20,826.30 = 9,127.22 : x
  2. Step 2: Convert to fraction form
    15,092.25/20,826.30 = 9,127.22/x
  3. Step 3: Cross multiply
    15,092.25x = 20,826.30 × 9,127.22
  4. Step 4: Simplify right side
    15,092.25x = 190,086,117.75
  5. Step 5: Solve for x
    x = 190,086,117.75/15,092.25
  6. Step 6: Final answer
    x = 12,594.95

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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.