Home / 26,190.92-39,279.90-7,471.02

Finding the Fourth Proportional to 26,190.92, 39,279.90 and 7,471.02

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Solution

The fourth proportional to 26,190.92, 39,279.90 and 7,471.02 is: 11,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.92 : 39,279.90 = 7,471.02 : x
  2. Step 2: Convert to fraction form
    26,190.92/39,279.90 = 7,471.02/x
  3. Step 3: Cross multiply
    26,190.92x = 39,279.90 × 7,471.02
  4. Step 4: Simplify right side
    26,190.92x = 293,460,918.50
  5. Step 5: Solve for x
    x = 293,460,918.50/26,190.92
  6. Step 6: Final answer
    x = 11,204.68

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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.