Home / 14,091.00-19,441.18-8,121.86

Finding the Fourth Proportional to 14,091.00, 19,441.18 and 8,121.86

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Solution

The fourth proportional to 14,091.00, 19,441.18 and 8,121.86 is: 11,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.00 : 19,441.18 = 8,121.86 : x
  2. Step 2: Convert to fraction form
    14,091.00/19,441.18 = 8,121.86/x
  3. Step 3: Cross multiply
    14,091.00x = 19,441.18 × 8,121.86
  4. Step 4: Simplify right side
    14,091.00x = 157,898,528.05
  5. Step 5: Solve for x
    x = 157,898,528.05/14,091.00
  6. Step 6: Final answer
    x = 11,205.63

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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.