Home / 14,449.19-19,939.91-8,161.56

Finding the Fourth Proportional to 14,449.19, 19,939.91 and 8,161.56

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Solution

The fourth proportional to 14,449.19, 19,939.91 and 8,161.56 is: 11,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.19 : 19,939.91 = 8,161.56 : x
  2. Step 2: Convert to fraction form
    14,449.19/19,939.91 = 8,161.56/x
  3. Step 3: Cross multiply
    14,449.19x = 19,939.91 × 8,161.56
  4. Step 4: Simplify right side
    14,449.19x = 162,740,731.05
  5. Step 5: Solve for x
    x = 162,740,731.05/14,449.19
  6. Step 6: Final answer
    x = 11,262.97

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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.