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Finding the Fourth Proportional to 15,067.80, 22,601.70 and 14,427.90

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Solution

The fourth proportional to 15,067.80, 22,601.70 and 14,427.90 is: 21,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.80 : 22,601.70 = 14,427.90 : x
  2. Step 2: Convert to fraction form
    15,067.80/22,601.70 = 14,427.90/x
  3. Step 3: Cross multiply
    15,067.80x = 22,601.70 × 14,427.90
  4. Step 4: Simplify right side
    15,067.80x = 326,095,067.43
  5. Step 5: Solve for x
    x = 326,095,067.43/15,067.80
  6. Step 6: Final answer
    x = 21,641.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.