Home / 22,163.08-30,585.78-13,212.04

Finding the Fourth Proportional to 22,163.08, 30,585.78 and 13,212.04

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Solution

The fourth proportional to 22,163.08, 30,585.78 and 13,212.04 is: 18,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.08 : 30,585.78 = 13,212.04 : x
  2. Step 2: Convert to fraction form
    22,163.08/30,585.78 = 13,212.04/x
  3. Step 3: Cross multiply
    22,163.08x = 30,585.78 × 13,212.04
  4. Step 4: Simplify right side
    22,163.08x = 404,100,548.79
  5. Step 5: Solve for x
    x = 404,100,548.79/22,163.08
  6. Step 6: Final answer
    x = 18,233.05

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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.