Home / 13,356.44-20,015.18-7,514.68

Finding the Fourth Proportional to 13,356.44, 20,015.18 and 7,514.68

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Solution

The fourth proportional to 13,356.44, 20,015.18 and 7,514.68 is: 11,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.44 : 20,015.18 = 7,514.68 : x
  2. Step 2: Convert to fraction form
    13,356.44/20,015.18 = 7,514.68/x
  3. Step 3: Cross multiply
    13,356.44x = 20,015.18 × 7,514.68
  4. Step 4: Simplify right side
    13,356.44x = 150,407,672.84
  5. Step 5: Solve for x
    x = 150,407,672.84/13,356.44
  6. Step 6: Final answer
    x = 11,261.06

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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.