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Finding the Fourth Proportional to 18,235.15, 27,308.61 and 15,092.01

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Solution

The fourth proportional to 18,235.15, 27,308.61 and 15,092.01 is: 22,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.15 : 27,308.61 = 15,092.01 : x
  2. Step 2: Convert to fraction form
    18,235.15/27,308.61 = 15,092.01/x
  3. Step 3: Cross multiply
    18,235.15x = 27,308.61 × 15,092.01
  4. Step 4: Simplify right side
    18,235.15x = 412,141,815.21
  5. Step 5: Solve for x
    x = 412,141,815.21/18,235.15
  6. Step 6: Final answer
    x = 22,601.51

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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.