Home / 14,240.27-21,365.91-5,918.15

Finding the Fourth Proportional to 14,240.27, 21,365.91 and 5,918.15

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Solution

The fourth proportional to 14,240.27, 21,365.91 and 5,918.15 is: 8,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.27 : 21,365.91 = 5,918.15 : x
  2. Step 2: Convert to fraction form
    14,240.27/21,365.91 = 5,918.15/x
  3. Step 3: Cross multiply
    14,240.27x = 21,365.91 × 5,918.15
  4. Step 4: Simplify right side
    14,240.27x = 126,446,553.44
  5. Step 5: Solve for x
    x = 126,446,553.44/14,240.27
  6. Step 6: Final answer
    x = 8,879.51

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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.