Home / 20,626.56-28,463.82-11,194.92

Finding the Fourth Proportional to 20,626.56, 28,463.82 and 11,194.92

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Solution

The fourth proportional to 20,626.56, 28,463.82 and 11,194.92 is: 15,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.56 : 28,463.82 = 11,194.92 : x
  2. Step 2: Convert to fraction form
    20,626.56/28,463.82 = 11,194.92/x
  3. Step 3: Cross multiply
    20,626.56x = 28,463.82 × 11,194.92
  4. Step 4: Simplify right side
    20,626.56x = 318,650,187.79
  5. Step 5: Solve for x
    x = 318,650,187.79/20,626.56
  6. Step 6: Final answer
    x = 15,448.54

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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.