Home / 26,650.76-39,972.49-7,933.68

Finding the Fourth Proportional to 26,650.76, 39,972.49 and 7,933.68

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Solution

The fourth proportional to 26,650.76, 39,972.49 and 7,933.68 is: 11,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.76 : 39,972.49 = 7,933.68 : x
  2. Step 2: Convert to fraction form
    26,650.76/39,972.49 = 7,933.68/x
  3. Step 3: Cross multiply
    26,650.76x = 39,972.49 × 7,933.68
  4. Step 4: Simplify right side
    26,650.76x = 317,128,924.63
  5. Step 5: Solve for x
    x = 317,128,924.63/26,650.76
  6. Step 6: Final answer
    x = 11,899.43

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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.