Home / 13,609.08-18,764.46-11,613.24

Finding the Fourth Proportional to 13,609.08, 18,764.46 and 11,613.24

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Solution

The fourth proportional to 13,609.08, 18,764.46 and 11,613.24 is: 16,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.08 : 18,764.46 = 11,613.24 : x
  2. Step 2: Convert to fraction form
    13,609.08/18,764.46 = 11,613.24/x
  3. Step 3: Cross multiply
    13,609.08x = 18,764.46 × 11,613.24
  4. Step 4: Simplify right side
    13,609.08x = 217,916,177.45
  5. Step 5: Solve for x
    x = 217,916,177.45/13,609.08
  6. Step 6: Final answer
    x = 16,012.56

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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.