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Finding the Fourth Proportional to 14,626.80, 21,907.80 and 12,034.80

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Solution

The fourth proportional to 14,626.80, 21,907.80 and 12,034.80 is: 18,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.80 : 21,907.80 = 12,034.80 : x
  2. Step 2: Convert to fraction form
    14,626.80/21,907.80 = 12,034.80/x
  3. Step 3: Cross multiply
    14,626.80x = 21,907.80 × 12,034.80
  4. Step 4: Simplify right side
    14,626.80x = 263,655,991.44
  5. Step 5: Solve for x
    x = 263,655,991.44/14,626.80
  6. Step 6: Final answer
    x = 18,025.54

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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.