Home / 14,217.36-19,613.61-8,245.56

Finding the Fourth Proportional to 14,217.36, 19,613.61 and 8,245.56

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Solution

The fourth proportional to 14,217.36, 19,613.61 and 8,245.56 is: 11,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.36 : 19,613.61 = 8,245.56 : x
  2. Step 2: Convert to fraction form
    14,217.36/19,613.61 = 8,245.56/x
  3. Step 3: Cross multiply
    14,217.36x = 19,613.61 × 8,245.56
  4. Step 4: Simplify right side
    14,217.36x = 161,725,198.07
  5. Step 5: Solve for x
    x = 161,725,198.07/14,217.36
  6. Step 6: Final answer
    x = 11,375.19

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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.