Home / 14,934.36-20,608.97-8,219.98

Finding the Fourth Proportional to 14,934.36, 20,608.97 and 8,219.98

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Solution

The fourth proportional to 14,934.36, 20,608.97 and 8,219.98 is: 11,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,934.36 : 20,608.97 = 8,219.98 : x
  2. Step 2: Convert to fraction form
    14,934.36/20,608.97 = 8,219.98/x
  3. Step 3: Cross multiply
    14,934.36x = 20,608.97 × 8,219.98
  4. Step 4: Simplify right side
    14,934.36x = 169,405,321.22
  5. Step 5: Solve for x
    x = 169,405,321.22/14,934.36
  6. Step 6: Final answer
    x = 11,343.33

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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.