Home / 22,851.37-31,534.26-12,779.83

Finding the Fourth Proportional to 22,851.37, 31,534.26 and 12,779.83

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Solution

The fourth proportional to 22,851.37, 31,534.26 and 12,779.83 is: 17,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,851.37 : 31,534.26 = 12,779.83 : x
  2. Step 2: Convert to fraction form
    22,851.37/31,534.26 = 12,779.83/x
  3. Step 3: Cross multiply
    22,851.37x = 31,534.26 × 12,779.83
  4. Step 4: Simplify right side
    22,851.37x = 403,002,481.98
  5. Step 5: Solve for x
    x = 403,002,481.98/22,851.37
  6. Step 6: Final answer
    x = 17,635.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.