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Finding the Fourth Proportional to 14,797.53, 20,379.12 and 14,751.42

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Solution

The fourth proportional to 14,797.53, 20,379.12 and 14,751.42 is: 20,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,797.53 : 20,379.12 = 14,751.42 : x
  2. Step 2: Convert to fraction form
    14,797.53/20,379.12 = 14,751.42/x
  3. Step 3: Cross multiply
    14,797.53x = 20,379.12 × 14,751.42
  4. Step 4: Simplify right side
    14,797.53x = 300,620,958.35
  5. Step 5: Solve for x
    x = 300,620,958.35/14,797.53
  6. Step 6: Final answer
    x = 20,315.62

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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.