Home / 20,613.35-30,924.56-11,732.86

Finding the Fourth Proportional to 20,613.35, 30,924.56 and 11,732.86

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Solution

The fourth proportional to 20,613.35, 30,924.56 and 11,732.86 is: 17,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,613.35 : 30,924.56 = 11,732.86 : x
  2. Step 2: Convert to fraction form
    20,613.35/30,924.56 = 11,732.86/x
  3. Step 3: Cross multiply
    20,613.35x = 30,924.56 × 11,732.86
  4. Step 4: Simplify right side
    20,613.35x = 362,833,485.06
  5. Step 5: Solve for x
    x = 362,833,485.06/20,613.35
  6. Step 6: Final answer
    x = 17,601.87

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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.