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Finding the Fourth Proportional to 14,636.80, 21,922.80 and 12,044.80

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Solution

The fourth proportional to 14,636.80, 21,922.80 and 12,044.80 is: 18,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.80 : 21,922.80 = 12,044.80 : x
  2. Step 2: Convert to fraction form
    14,636.80/21,922.80 = 12,044.80/x
  3. Step 3: Cross multiply
    14,636.80x = 21,922.80 × 12,044.80
  4. Step 4: Simplify right side
    14,636.80x = 264,055,741.44
  5. Step 5: Solve for x
    x = 264,055,741.44/14,636.80
  6. Step 6: Final answer
    x = 18,040.54

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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.