Home / 17,717.45-26,579.82-7,329.20

Finding the Fourth Proportional to 17,717.45, 26,579.82 and 7,329.20

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Solution

The fourth proportional to 17,717.45, 26,579.82 and 7,329.20 is: 10,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.45 : 26,579.82 = 7,329.20 : x
  2. Step 2: Convert to fraction form
    17,717.45/26,579.82 = 7,329.20/x
  3. Step 3: Cross multiply
    17,717.45x = 26,579.82 × 7,329.20
  4. Step 4: Simplify right side
    17,717.45x = 194,808,683.84
  5. Step 5: Solve for x
    x = 194,808,683.84/17,717.45
  6. Step 6: Final answer
    x = 10,995.30

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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.