Home / 13,181.88-19,766.64-4,410.66

Finding the Fourth Proportional to 13,181.88, 19,766.64 and 4,410.66

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Solution

The fourth proportional to 13,181.88, 19,766.64 and 4,410.66 is: 6,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.88 : 19,766.64 = 4,410.66 : x
  2. Step 2: Convert to fraction form
    13,181.88/19,766.64 = 4,410.66/x
  3. Step 3: Cross multiply
    13,181.88x = 19,766.64 × 4,410.66
  4. Step 4: Simplify right side
    13,181.88x = 87,183,928.38
  5. Step 5: Solve for x
    x = 87,183,928.38/13,181.88
  6. Step 6: Final answer
    x = 6,613.92

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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.