Home / 14,352.14-19,812.20-8,382.84

Finding the Fourth Proportional to 14,352.14, 19,812.20 and 8,382.84

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Solution

The fourth proportional to 14,352.14, 19,812.20 and 8,382.84 is: 11,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.14 : 19,812.20 = 8,382.84 : x
  2. Step 2: Convert to fraction form
    14,352.14/19,812.20 = 8,382.84/x
  3. Step 3: Cross multiply
    14,352.14x = 19,812.20 × 8,382.84
  4. Step 4: Simplify right side
    14,352.14x = 166,082,460.73
  5. Step 5: Solve for x
    x = 166,082,460.73/14,352.14
  6. Step 6: Final answer
    x = 11,571.97

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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.