Home / 26,259.92-39,391.16-11,458

Finding the Fourth Proportional to 26,259.92, 39,391.16 and 11,458

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Solution

The fourth proportional to 26,259.92, 39,391.16 and 11,458 is: 17,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,259.92 : 39,391.16 = 11,458 : x
  2. Step 2: Convert to fraction form
    26,259.92/39,391.16 = 11,458/x
  3. Step 3: Cross multiply
    26,259.92x = 39,391.16 × 11,458
  4. Step 4: Simplify right side
    26,259.92x = 451,343,911.28
  5. Step 5: Solve for x
    x = 451,343,911.28/26,259.92
  6. Step 6: Final answer
    x = 17,187.56

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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.