Home / 14,729.90-20,327.17-8,015.55

Finding the Fourth Proportional to 14,729.90, 20,327.17 and 8,015.55

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Solution

The fourth proportional to 14,729.90, 20,327.17 and 8,015.55 is: 11,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.90 : 20,327.17 = 8,015.55 : x
  2. Step 2: Convert to fraction form
    14,729.90/20,327.17 = 8,015.55/x
  3. Step 3: Cross multiply
    14,729.90x = 20,327.17 × 8,015.55
  4. Step 4: Simplify right side
    14,729.90x = 162,933,447.49
  5. Step 5: Solve for x
    x = 162,933,447.49/14,729.90
  6. Step 6: Final answer
    x = 11,061.41

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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.