Home / 22,166.11-30,585.04-13,214.45

Finding the Fourth Proportional to 22,166.11, 30,585.04 and 13,214.45

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Solution

The fourth proportional to 22,166.11, 30,585.04 and 13,214.45 is: 18,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.11 : 30,585.04 = 13,214.45 : x
  2. Step 2: Convert to fraction form
    22,166.11/30,585.04 = 13,214.45/x
  3. Step 3: Cross multiply
    22,166.11x = 30,585.04 × 13,214.45
  4. Step 4: Simplify right side
    22,166.11x = 404,164,481.83
  5. Step 5: Solve for x
    x = 404,164,481.83/22,166.11
  6. Step 6: Final answer
    x = 18,233.44

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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.