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Finding the Fourth Proportional to 15,104.55, 20,932.59 and 14,893.14

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Solution

The fourth proportional to 15,104.55, 20,932.59 and 14,893.14 is: 20,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.55 : 20,932.59 = 14,893.14 : x
  2. Step 2: Convert to fraction form
    15,104.55/20,932.59 = 14,893.14/x
  3. Step 3: Cross multiply
    15,104.55x = 20,932.59 × 14,893.14
  4. Step 4: Simplify right side
    15,104.55x = 311,751,993.43
  5. Step 5: Solve for x
    x = 311,751,993.43/15,104.55
  6. Step 6: Final answer
    x = 20,639.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.