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Finding the Fourth Proportional to 15,967.96, 22,036.03 and 9,163.08

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Solution

The fourth proportional to 15,967.96, 22,036.03 and 9,163.08 is: 12,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.96 : 22,036.03 = 9,163.08 : x
  2. Step 2: Convert to fraction form
    15,967.96/22,036.03 = 9,163.08/x
  3. Step 3: Cross multiply
    15,967.96x = 22,036.03 × 9,163.08
  4. Step 4: Simplify right side
    15,967.96x = 201,917,882.86
  5. Step 5: Solve for x
    x = 201,917,882.86/15,967.96
  6. Step 6: Final answer
    x = 12,645.19

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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.