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Finding the Fourth Proportional to 26,169.71, 36,119.39 and 14,839.43

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Solution

The fourth proportional to 26,169.71, 36,119.39 and 14,839.43 is: 20,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.71 : 36,119.39 = 14,839.43 : x
  2. Step 2: Convert to fraction form
    26,169.71/36,119.39 = 14,839.43/x
  3. Step 3: Cross multiply
    26,169.71x = 36,119.39 × 14,839.43
  4. Step 4: Simplify right side
    26,169.71x = 535,990,904.75
  5. Step 5: Solve for x
    x = 535,990,904.75/26,169.71
  6. Step 6: Final answer
    x = 20,481.35

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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.