Home / 14,544.94-20,069.83-8,170.31

Finding the Fourth Proportional to 14,544.94, 20,069.83 and 8,170.31

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Solution

The fourth proportional to 14,544.94, 20,069.83 and 8,170.31 is: 11,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544.94 : 20,069.83 = 8,170.31 : x
  2. Step 2: Convert to fraction form
    14,544.94/20,069.83 = 8,170.31/x
  3. Step 3: Cross multiply
    14,544.94x = 20,069.83 × 8,170.31
  4. Step 4: Simplify right side
    14,544.94x = 163,976,732.75
  5. Step 5: Solve for x
    x = 163,976,732.75/14,544.94
  6. Step 6: Final answer
    x = 11,273.80

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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.