Home / 14,231.87-21,348.83-5,466.78

Finding the Fourth Proportional to 14,231.87, 21,348.83 and 5,466.78

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Solution

The fourth proportional to 14,231.87, 21,348.83 and 5,466.78 is: 8,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.87 : 21,348.83 = 5,466.78 : x
  2. Step 2: Convert to fraction form
    14,231.87/21,348.83 = 5,466.78/x
  3. Step 3: Cross multiply
    14,231.87x = 21,348.83 × 5,466.78
  4. Step 4: Simplify right side
    14,231.87x = 116,709,329.53
  5. Step 5: Solve for x
    x = 116,709,329.53/14,231.87
  6. Step 6: Final answer
    x = 8,200.56

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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.