Home / 20,626.42-28,464.48-11,194.98

Finding the Fourth Proportional to 20,626.42, 28,464.48 and 11,194.98

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Solution

The fourth proportional to 20,626.42, 28,464.48 and 11,194.98 is: 15,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.42 : 28,464.48 = 11,194.98 : x
  2. Step 2: Convert to fraction form
    20,626.42/28,464.48 = 11,194.98/x
  3. Step 3: Cross multiply
    20,626.42x = 28,464.48 × 11,194.98
  4. Step 4: Simplify right side
    20,626.42x = 318,659,284.31
  5. Step 5: Solve for x
    x = 318,659,284.31/20,626.42
  6. Step 6: Final answer
    x = 15,449.08

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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.