Home / 16,078.61-24,120.26-4,986.20

Finding the Fourth Proportional to 16,078.61, 24,120.26 and 4,986.20

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Solution

The fourth proportional to 16,078.61, 24,120.26 and 4,986.20 is: 7,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.61 : 24,120.26 = 4,986.20 : x
  2. Step 2: Convert to fraction form
    16,078.61/24,120.26 = 4,986.20/x
  3. Step 3: Cross multiply
    16,078.61x = 24,120.26 × 4,986.20
  4. Step 4: Simplify right side
    16,078.61x = 120,268,310.86
  5. Step 5: Solve for x
    x = 120,268,310.86/16,078.61
  6. Step 6: Final answer
    x = 7,480.02

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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.