Home / 14,613.26-21,919.68-13,679.33

Finding the Fourth Proportional to 14,613.26, 21,919.68 and 13,679.33

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Solution

The fourth proportional to 14,613.26, 21,919.68 and 13,679.33 is: 20,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.26 : 21,919.68 = 13,679.33 : x
  2. Step 2: Convert to fraction form
    14,613.26/21,919.68 = 13,679.33/x
  3. Step 3: Cross multiply
    14,613.26x = 21,919.68 × 13,679.33
  4. Step 4: Simplify right side
    14,613.26x = 299,846,426.62
  5. Step 5: Solve for x
    x = 299,846,426.62/14,613.26
  6. Step 6: Final answer
    x = 20,518.80

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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.