Home / 14,092.08-19,449.48-8,122.68

Finding the Fourth Proportional to 14,092.08, 19,449.48 and 8,122.68

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Solution

The fourth proportional to 14,092.08, 19,449.48 and 8,122.68 is: 11,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.08 : 19,449.48 = 8,122.68 : x
  2. Step 2: Convert to fraction form
    14,092.08/19,449.48 = 8,122.68/x
  3. Step 3: Cross multiply
    14,092.08x = 19,449.48 × 8,122.68
  4. Step 4: Simplify right side
    14,092.08x = 157,981,902.21
  5. Step 5: Solve for x
    x = 157,981,902.21/14,092.08
  6. Step 6: Final answer
    x = 11,210.69

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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.