Home / 16,651.40-24,986.55-6,120.05

Finding the Fourth Proportional to 16,651.40, 24,986.55 and 6,120.05

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Solution

The fourth proportional to 16,651.40, 24,986.55 and 6,120.05 is: 9,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.40 : 24,986.55 = 6,120.05 : x
  2. Step 2: Convert to fraction form
    16,651.40/24,986.55 = 6,120.05/x
  3. Step 3: Cross multiply
    16,651.40x = 24,986.55 × 6,120.05
  4. Step 4: Simplify right side
    16,651.40x = 152,918,997.79
  5. Step 5: Solve for x
    x = 152,918,997.79/16,651.40
  6. Step 6: Final answer
    x = 9,183.55

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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.