Home / 27,779.20-41,661.24-12,193.12

Finding the Fourth Proportional to 27,779.20, 41,661.24 and 12,193.12

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Solution

The fourth proportional to 27,779.20, 41,661.24 and 12,193.12 is: 18,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.20 : 41,661.24 = 12,193.12 : x
  2. Step 2: Convert to fraction form
    27,779.20/41,661.24 = 12,193.12/x
  3. Step 3: Cross multiply
    27,779.20x = 41,661.24 × 12,193.12
  4. Step 4: Simplify right side
    27,779.20x = 507,980,498.67
  5. Step 5: Solve for x
    x = 507,980,498.67/27,779.20
  6. Step 6: Final answer
    x = 18,286.36

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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.