Home / 20,667.44-28,523.30-11,713.98

Finding the Fourth Proportional to 20,667.44, 28,523.30 and 11,713.98

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Solution

The fourth proportional to 20,667.44, 28,523.30 and 11,713.98 is: 16,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667.44 : 28,523.30 = 11,713.98 : x
  2. Step 2: Convert to fraction form
    20,667.44/28,523.30 = 11,713.98/x
  3. Step 3: Cross multiply
    20,667.44x = 28,523.30 × 11,713.98
  4. Step 4: Simplify right side
    20,667.44x = 334,121,414.13
  5. Step 5: Solve for x
    x = 334,121,414.13/20,667.44
  6. Step 6: Final answer
    x = 16,166.56

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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.