Home / 22,166.16-30,585.11-13,214.49

Finding the Fourth Proportional to 22,166.16, 30,585.11 and 13,214.49

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Solution

The fourth proportional to 22,166.16, 30,585.11 and 13,214.49 is: 18,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.16 : 30,585.11 = 13,214.49 : x
  2. Step 2: Convert to fraction form
    22,166.16/30,585.11 = 13,214.49/x
  3. Step 3: Cross multiply
    22,166.16x = 30,585.11 × 13,214.49
  4. Step 4: Simplify right side
    22,166.16x = 404,166,630.24
  5. Step 5: Solve for x
    x = 404,166,630.24/22,166.16
  6. Step 6: Final answer
    x = 18,233.50

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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.