Home / 26,351.49-39,542.81-9,723.21

Finding the Fourth Proportional to 26,351.49, 39,542.81 and 9,723.21

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Solution

The fourth proportional to 26,351.49, 39,542.81 and 9,723.21 is: 14,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,351.49 : 39,542.81 = 9,723.21 : x
  2. Step 2: Convert to fraction form
    26,351.49/39,542.81 = 9,723.21/x
  3. Step 3: Cross multiply
    26,351.49x = 39,542.81 × 9,723.21
  4. Step 4: Simplify right side
    26,351.49x = 384,483,045.62
  5. Step 5: Solve for x
    x = 384,483,045.62/26,351.49
  6. Step 6: Final answer
    x = 14,590.56

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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.