Home / 14,693.35-21,991.27-13,380.12

Finding the Fourth Proportional to 14,693.35, 21,991.27 and 13,380.12

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Solution

The fourth proportional to 14,693.35, 21,991.27 and 13,380.12 is: 20,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.35 : 21,991.27 = 13,380.12 : x
  2. Step 2: Convert to fraction form
    14,693.35/21,991.27 = 13,380.12/x
  3. Step 3: Cross multiply
    14,693.35x = 21,991.27 × 13,380.12
  4. Step 4: Simplify right side
    14,693.35x = 294,245,764.65
  5. Step 5: Solve for x
    x = 294,245,764.65/14,693.35
  6. Step 6: Final answer
    x = 20,025.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.