Home / 20,733.56-28,612.26-11,302.12

Finding the Fourth Proportional to 20,733.56, 28,612.26 and 11,302.12

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Solution

The fourth proportional to 20,733.56, 28,612.26 and 11,302.12 is: 15,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.56 : 28,612.26 = 11,302.12 : x
  2. Step 2: Convert to fraction form
    20,733.56/28,612.26 = 11,302.12/x
  3. Step 3: Cross multiply
    20,733.56x = 28,612.26 × 11,302.12
  4. Step 4: Simplify right side
    20,733.56x = 323,379,195.99
  5. Step 5: Solve for x
    x = 323,379,195.99/20,733.56
  6. Step 6: Final answer
    x = 15,596.90

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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.