Home / 13,975.92-20,965.20-4,616

Finding the Fourth Proportional to 13,975.92, 20,965.20 and 4,616

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Solution

The fourth proportional to 13,975.92, 20,965.20 and 4,616 is: 6,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.92 : 20,965.20 = 4,616 : x
  2. Step 2: Convert to fraction form
    13,975.92/20,965.20 = 4,616/x
  3. Step 3: Cross multiply
    13,975.92x = 20,965.20 × 4,616
  4. Step 4: Simplify right side
    13,975.92x = 96,775,363.20
  5. Step 5: Solve for x
    x = 96,775,363.20/13,975.92
  6. Step 6: Final answer
    x = 6,924.44

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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.