Home / 14,279.25-19,705.77-7,992.03

Finding the Fourth Proportional to 14,279.25, 19,705.77 and 7,992.03

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Solution

The fourth proportional to 14,279.25, 19,705.77 and 7,992.03 is: 11,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.25 : 19,705.77 = 7,992.03 : x
  2. Step 2: Convert to fraction form
    14,279.25/19,705.77 = 7,992.03/x
  3. Step 3: Cross multiply
    14,279.25x = 19,705.77 × 7,992.03
  4. Step 4: Simplify right side
    14,279.25x = 157,489,105.01
  5. Step 5: Solve for x
    x = 157,489,105.01/14,279.25
  6. Step 6: Final answer
    x = 11,029.23

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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.