Home / 14,729.88-20,327.38-8,015.48

Finding the Fourth Proportional to 14,729.88, 20,327.38 and 8,015.48

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Solution

The fourth proportional to 14,729.88, 20,327.38 and 8,015.48 is: 11,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.88 : 20,327.38 = 8,015.48 : x
  2. Step 2: Convert to fraction form
    14,729.88/20,327.38 = 8,015.48/x
  3. Step 3: Cross multiply
    14,729.88x = 20,327.38 × 8,015.48
  4. Step 4: Simplify right side
    14,729.88x = 162,933,707.84
  5. Step 5: Solve for x
    x = 162,933,707.84/14,729.88
  6. Step 6: Final answer
    x = 11,061.44

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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.