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Finding the Fourth Proportional to 18,872.19, 26,039.88 and 16,050.96

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Solution

The fourth proportional to 18,872.19, 26,039.88 and 16,050.96 is: 22,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.19 : 26,039.88 = 16,050.96 : x
  2. Step 2: Convert to fraction form
    18,872.19/26,039.88 = 16,050.96/x
  3. Step 3: Cross multiply
    18,872.19x = 26,039.88 × 16,050.96
  4. Step 4: Simplify right side
    18,872.19x = 417,965,072.28
  5. Step 5: Solve for x
    x = 417,965,072.28/18,872.19
  6. Step 6: Final answer
    x = 22,147.14

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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.