Home / 22,751.40-34,131.99-11,071.20

Finding the Fourth Proportional to 22,751.40, 34,131.99 and 11,071.20

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Solution

The fourth proportional to 22,751.40, 34,131.99 and 11,071.20 is: 16,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.40 : 34,131.99 = 11,071.20 : x
  2. Step 2: Convert to fraction form
    22,751.40/34,131.99 = 11,071.20/x
  3. Step 3: Cross multiply
    22,751.40x = 34,131.99 × 11,071.20
  4. Step 4: Simplify right side
    22,751.40x = 377,882,087.69
  5. Step 5: Solve for x
    x = 377,882,087.69/22,751.40
  6. Step 6: Final answer
    x = 16,609.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.