Home / 17,738.20-26,564.10-8,493.40

Finding the Fourth Proportional to 17,738.20, 26,564.10 and 8,493.40

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Solution

The fourth proportional to 17,738.20, 26,564.10 and 8,493.40 is: 12,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.20 : 26,564.10 = 8,493.40 : x
  2. Step 2: Convert to fraction form
    17,738.20/26,564.10 = 8,493.40/x
  3. Step 3: Cross multiply
    17,738.20x = 26,564.10 × 8,493.40
  4. Step 4: Simplify right side
    17,738.20x = 225,619,526.94
  5. Step 5: Solve for x
    x = 225,619,526.94/17,738.20
  6. Step 6: Final answer
    x = 12,719.41

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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.