Home / 14,115.32-21,174.20-3,727.07

Finding the Fourth Proportional to 14,115.32, 21,174.20 and 3,727.07

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Solution

The fourth proportional to 14,115.32, 21,174.20 and 3,727.07 is: 5,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.32 : 21,174.20 = 3,727.07 : x
  2. Step 2: Convert to fraction form
    14,115.32/21,174.20 = 3,727.07/x
  3. Step 3: Cross multiply
    14,115.32x = 21,174.20 × 3,727.07
  4. Step 4: Simplify right side
    14,115.32x = 78,917,601.09
  5. Step 5: Solve for x
    x = 78,917,601.09/14,115.32
  6. Step 6: Final answer
    x = 5,590.92

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1.5x scale

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.