Home / 16,478.43-24,684.68-7,581.60

Finding the Fourth Proportional to 16,478.43, 24,684.68 and 7,581.60

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Solution

The fourth proportional to 16,478.43, 24,684.68 and 7,581.60 is: 11,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.43 : 24,684.68 = 7,581.60 : x
  2. Step 2: Convert to fraction form
    16,478.43/24,684.68 = 7,581.60/x
  3. Step 3: Cross multiply
    16,478.43x = 24,684.68 × 7,581.60
  4. Step 4: Simplify right side
    16,478.43x = 187,149,331.98
  5. Step 5: Solve for x
    x = 187,149,331.98/16,478.43
  6. Step 6: Final answer
    x = 11,357.23

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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.