Home / 20,733.39-28,612.08-11,301.96

Finding the Fourth Proportional to 20,733.39, 28,612.08 and 11,301.96

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Solution

The fourth proportional to 20,733.39, 28,612.08 and 11,301.96 is: 15,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.39 : 28,612.08 = 11,301.96 : x
  2. Step 2: Convert to fraction form
    20,733.39/28,612.08 = 11,301.96/x
  3. Step 3: Cross multiply
    20,733.39x = 28,612.08 × 11,301.96
  4. Step 4: Simplify right side
    20,733.39x = 323,372,583.68
  5. Step 5: Solve for x
    x = 323,372,583.68/20,733.39
  6. Step 6: Final answer
    x = 15,596.71

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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.