Home / 14,262.20-19,682.22-7,974.20

Finding the Fourth Proportional to 14,262.20, 19,682.22 and 7,974.20

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Solution

The fourth proportional to 14,262.20, 19,682.22 and 7,974.20 is: 11,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.20 : 19,682.22 = 7,974.20 : x
  2. Step 2: Convert to fraction form
    14,262.20/19,682.22 = 7,974.20/x
  3. Step 3: Cross multiply
    14,262.20x = 19,682.22 × 7,974.20
  4. Step 4: Simplify right side
    14,262.20x = 156,949,958.72
  5. Step 5: Solve for x
    x = 156,949,958.72/14,262.20
  6. Step 6: Final answer
    x = 11,004.61

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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.