Home / 33,685.08-50,500.20-12,613.32

Finding the Fourth Proportional to 33,685.08, 50,500.20 and 12,613.32

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Solution

The fourth proportional to 33,685.08, 50,500.20 and 12,613.32 is: 18,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,685.08 : 50,500.20 = 12,613.32 : x
  2. Step 2: Convert to fraction form
    33,685.08/50,500.20 = 12,613.32/x
  3. Step 3: Cross multiply
    33,685.08x = 50,500.20 × 12,613.32
  4. Step 4: Simplify right side
    33,685.08x = 636,975,182.66
  5. Step 5: Solve for x
    x = 636,975,182.66/33,685.08
  6. Step 6: Final answer
    x = 18,909.71

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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.