Home / 14,183.20-19,571.88-7,895.44

Finding the Fourth Proportional to 14,183.20, 19,571.88 and 7,895.44

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Solution

The fourth proportional to 14,183.20, 19,571.88 and 7,895.44 is: 10,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.20 : 19,571.88 = 7,895.44 : x
  2. Step 2: Convert to fraction form
    14,183.20/19,571.88 = 7,895.44/x
  3. Step 3: Cross multiply
    14,183.20x = 19,571.88 × 7,895.44
  4. Step 4: Simplify right side
    14,183.20x = 154,528,604.23
  5. Step 5: Solve for x
    x = 154,528,604.23/14,183.20
  6. Step 6: Final answer
    x = 10,895.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.