Home / 14,182.22-21,273.32-6,381.92

Finding the Fourth Proportional to 14,182.22, 21,273.32 and 6,381.92

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Solution

The fourth proportional to 14,182.22, 21,273.32 and 6,381.92 is: 9,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.22 : 21,273.32 = 6,381.92 : x
  2. Step 2: Convert to fraction form
    14,182.22/21,273.32 = 6,381.92/x
  3. Step 3: Cross multiply
    14,182.22x = 21,273.32 × 6,381.92
  4. Step 4: Simplify right side
    14,182.22x = 135,764,626.37
  5. Step 5: Solve for x
    x = 135,764,626.37/14,182.22
  6. Step 6: Final answer
    x = 9,572.88

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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.