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Finding the Fourth Proportional to 18,506.01, 27,759.11 and 14,790.86

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Solution

The fourth proportional to 18,506.01, 27,759.11 and 14,790.86 is: 22,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.01 : 27,759.11 = 14,790.86 : x
  2. Step 2: Convert to fraction form
    18,506.01/27,759.11 = 14,790.86/x
  3. Step 3: Cross multiply
    18,506.01x = 27,759.11 × 14,790.86
  4. Step 4: Simplify right side
    18,506.01x = 410,580,896.98
  5. Step 5: Solve for x
    x = 410,580,896.98/18,506.01
  6. Step 6: Final answer
    x = 22,186.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.