Home / 17,717.84-26,581.60-5,238.48

Finding the Fourth Proportional to 17,717.84, 26,581.60 and 5,238.48

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Solution

The fourth proportional to 17,717.84, 26,581.60 and 5,238.48 is: 7,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.84 : 26,581.60 = 5,238.48 : x
  2. Step 2: Convert to fraction form
    17,717.84/26,581.60 = 5,238.48/x
  3. Step 3: Cross multiply
    17,717.84x = 26,581.60 × 5,238.48
  4. Step 4: Simplify right side
    17,717.84x = 139,247,179.97
  5. Step 5: Solve for x
    x = 139,247,179.97/17,717.84
  6. Step 6: Final answer
    x = 7,859.15

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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.