Home / 16,246.91-22,420.73-9,173.79

Finding the Fourth Proportional to 16,246.91, 22,420.73 and 9,173.79

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Solution

The fourth proportional to 16,246.91, 22,420.73 and 9,173.79 is: 12,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.91 : 22,420.73 = 9,173.79 : x
  2. Step 2: Convert to fraction form
    16,246.91/22,420.73 = 9,173.79/x
  3. Step 3: Cross multiply
    16,246.91x = 22,420.73 × 9,173.79
  4. Step 4: Simplify right side
    16,246.91x = 205,682,956.56
  5. Step 5: Solve for x
    x = 205,682,956.56/16,246.91
  6. Step 6: Final answer
    x = 12,659.82

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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.