Home / 13,514.25-18,647.44-7,544.96

Finding the Fourth Proportional to 13,514.25, 18,647.44 and 7,544.96

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Solution

The fourth proportional to 13,514.25, 18,647.44 and 7,544.96 is: 10,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.25 : 18,647.44 = 7,544.96 : x
  2. Step 2: Convert to fraction form
    13,514.25/18,647.44 = 7,544.96/x
  3. Step 3: Cross multiply
    13,514.25x = 18,647.44 × 7,544.96
  4. Step 4: Simplify right side
    13,514.25x = 140,694,188.90
  5. Step 5: Solve for x
    x = 140,694,188.90/13,514.25
  6. Step 6: Final answer
    x = 10,410.80

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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.