Home / 14,729.70-20,327.20-8,015.52

Finding the Fourth Proportional to 14,729.70, 20,327.20 and 8,015.52

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Solution

The fourth proportional to 14,729.70, 20,327.20 and 8,015.52 is: 11,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.70 : 20,327.20 = 8,015.52 : x
  2. Step 2: Convert to fraction form
    14,729.70/20,327.20 = 8,015.52/x
  3. Step 3: Cross multiply
    14,729.70x = 20,327.20 × 8,015.52
  4. Step 4: Simplify right side
    14,729.70x = 162,933,078.14
  5. Step 5: Solve for x
    x = 162,933,078.14/14,729.70
  6. Step 6: Final answer
    x = 11,061.53

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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.