Home / 17,428.05-26,135.16-6,328.69

Finding the Fourth Proportional to 17,428.05, 26,135.16 and 6,328.69

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Solution

The fourth proportional to 17,428.05, 26,135.16 and 6,328.69 is: 9,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.05 : 26,135.16 = 6,328.69 : x
  2. Step 2: Convert to fraction form
    17,428.05/26,135.16 = 6,328.69/x
  3. Step 3: Cross multiply
    17,428.05x = 26,135.16 × 6,328.69
  4. Step 4: Simplify right side
    17,428.05x = 165,401,295.09
  5. Step 5: Solve for x
    x = 165,401,295.09/17,428.05
  6. Step 6: Final answer
    x = 9,490.52

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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.