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Finding the Fourth Proportional to 14,029.50, 19,363.19 and 8,364.60

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Solution

The fourth proportional to 14,029.50, 19,363.19 and 8,364.60 is: 11,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.50 : 19,363.19 = 8,364.60 : x
  2. Step 2: Convert to fraction form
    14,029.50/19,363.19 = 8,364.60/x
  3. Step 3: Cross multiply
    14,029.50x = 19,363.19 × 8,364.60
  4. Step 4: Simplify right side
    14,029.50x = 161,965,297.25
  5. Step 5: Solve for x
    x = 161,965,297.25/14,029.50
  6. Step 6: Final answer
    x = 11,544.62

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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.