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Finding the Fourth Proportional to 15,967.97, 22,036.02 and 9,163.10

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Solution

The fourth proportional to 15,967.97, 22,036.02 and 9,163.10 is: 12,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.97 : 22,036.02 = 9,163.10 : x
  2. Step 2: Convert to fraction form
    15,967.97/22,036.02 = 9,163.10/x
  3. Step 3: Cross multiply
    15,967.97x = 22,036.02 × 9,163.10
  4. Step 4: Simplify right side
    15,967.97x = 201,918,144.68
  5. Step 5: Solve for x
    x = 201,918,144.68/15,967.97
  6. Step 6: Final answer
    x = 12,645.20

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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.