Home / 14,153.87-21,230.77-3,765.62

Finding the Fourth Proportional to 14,153.87, 21,230.77 and 3,765.62

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Solution

The fourth proportional to 14,153.87, 21,230.77 and 3,765.62 is: 5,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.87 : 21,230.77 = 3,765.62 : x
  2. Step 2: Convert to fraction form
    14,153.87/21,230.77 = 3,765.62/x
  3. Step 3: Cross multiply
    14,153.87x = 21,230.77 × 3,765.62
  4. Step 4: Simplify right side
    14,153.87x = 79,946,896.56
  5. Step 5: Solve for x
    x = 79,946,896.56/14,153.87
  6. Step 6: Final answer
    x = 5,648.41

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1.5x scale

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.