Home / 26,105.48-39,172.58-11,314.52

Finding the Fourth Proportional to 26,105.48, 39,172.58 and 11,314.52

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Solution

The fourth proportional to 26,105.48, 39,172.58 and 11,314.52 is: 16,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.48 : 39,172.58 = 11,314.52 : x
  2. Step 2: Convert to fraction form
    26,105.48/39,172.58 = 11,314.52/x
  3. Step 3: Cross multiply
    26,105.48x = 39,172.58 × 11,314.52
  4. Step 4: Simplify right side
    26,105.48x = 443,218,939.86
  5. Step 5: Solve for x
    x = 443,218,939.86/26,105.48
  6. Step 6: Final answer
    x = 16,978.00

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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.