Home / 21,132.09-31,695.69-5,550.93

Finding the Fourth Proportional to 21,132.09, 31,695.69 and 5,550.93

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Solution

The fourth proportional to 21,132.09, 31,695.69 and 5,550.93 is: 8,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,132.09 : 31,695.69 = 5,550.93 : x
  2. Step 2: Convert to fraction form
    21,132.09/31,695.69 = 5,550.93/x
  3. Step 3: Cross multiply
    21,132.09x = 31,695.69 × 5,550.93
  4. Step 4: Simplify right side
    21,132.09x = 175,940,556.49
  5. Step 5: Solve for x
    x = 175,940,556.49/21,132.09
  6. Step 6: Final answer
    x = 8,325.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.