Home / 20,626.40-28,464.26-11,194.96

Finding the Fourth Proportional to 20,626.40, 28,464.26 and 11,194.96

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Solution

The fourth proportional to 20,626.40, 28,464.26 and 11,194.96 is: 15,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.40 : 28,464.26 = 11,194.96 : x
  2. Step 2: Convert to fraction form
    20,626.40/28,464.26 = 11,194.96/x
  3. Step 3: Cross multiply
    20,626.40x = 28,464.26 × 11,194.96
  4. Step 4: Simplify right side
    20,626.40x = 318,656,252.13
  5. Step 5: Solve for x
    x = 318,656,252.13/20,626.40
  6. Step 6: Final answer
    x = 15,448.95

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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.