Home / 20,240.96-27,932.66-11,748.16

Finding the Fourth Proportional to 20,240.96, 27,932.66 and 11,748.16

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Solution

The fourth proportional to 20,240.96, 27,932.66 and 11,748.16 is: 16,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.96 : 27,932.66 = 11,748.16 : x
  2. Step 2: Convert to fraction form
    20,240.96/27,932.66 = 11,748.16/x
  3. Step 3: Cross multiply
    20,240.96x = 27,932.66 × 11,748.16
  4. Step 4: Simplify right side
    20,240.96x = 328,157,474.22
  5. Step 5: Solve for x
    x = 328,157,474.22/20,240.96
  6. Step 6: Final answer
    x = 16,212.54

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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.