Home / 22,110.21-30,504.68-13,152.62

Finding the Fourth Proportional to 22,110.21, 30,504.68 and 13,152.62

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Solution

The fourth proportional to 22,110.21, 30,504.68 and 13,152.62 is: 18,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.21 : 30,504.68 = 13,152.62 : x
  2. Step 2: Convert to fraction form
    22,110.21/30,504.68 = 13,152.62/x
  3. Step 3: Cross multiply
    22,110.21x = 30,504.68 × 13,152.62
  4. Step 4: Simplify right side
    22,110.21x = 401,216,474.76
  5. Step 5: Solve for x
    x = 401,216,474.76/22,110.21
  6. Step 6: Final answer
    x = 18,146.21

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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.