Home / 14,883.45-20,539.53-8,169.02

Finding the Fourth Proportional to 14,883.45, 20,539.53 and 8,169.02

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Solution

The fourth proportional to 14,883.45, 20,539.53 and 8,169.02 is: 11,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.45 : 20,539.53 = 8,169.02 : x
  2. Step 2: Convert to fraction form
    14,883.45/20,539.53 = 8,169.02/x
  3. Step 3: Cross multiply
    14,883.45x = 20,539.53 × 8,169.02
  4. Step 4: Simplify right side
    14,883.45x = 167,787,759.30
  5. Step 5: Solve for x
    x = 167,787,759.30/14,883.45
  6. Step 6: Final answer
    x = 11,273.45

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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.