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Finding the Fourth Proportional to 14,550.51, 20,079.99 and 11,367.51

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Solution

The fourth proportional to 14,550.51, 20,079.99 and 11,367.51 is: 15,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.51 : 20,079.99 = 11,367.51 : x
  2. Step 2: Convert to fraction form
    14,550.51/20,079.99 = 11,367.51/x
  3. Step 3: Cross multiply
    14,550.51x = 20,079.99 × 11,367.51
  4. Step 4: Simplify right side
    14,550.51x = 228,259,487.12
  5. Step 5: Solve for x
    x = 228,259,487.12/14,550.51
  6. Step 6: Final answer
    x = 15,687.39

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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.