Home / 17,982.84-26,964.09-12,367.11

Finding the Fourth Proportional to 17,982.84, 26,964.09 and 12,367.11

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Solution

The fourth proportional to 17,982.84, 26,964.09 and 12,367.11 is: 18,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.84 : 26,964.09 = 12,367.11 : x
  2. Step 2: Convert to fraction form
    17,982.84/26,964.09 = 12,367.11/x
  3. Step 3: Cross multiply
    17,982.84x = 26,964.09 × 12,367.11
  4. Step 4: Simplify right side
    17,982.84x = 333,467,968.20
  5. Step 5: Solve for x
    x = 333,467,968.20/17,982.84
  6. Step 6: Final answer
    x = 18,543.67

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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.