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Finding the Fourth Proportional to 14,449.91, 19,933.22 and 14,043.29

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Solution

The fourth proportional to 14,449.91, 19,933.22 and 14,043.29 is: 19,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.91 : 19,933.22 = 14,043.29 : x
  2. Step 2: Convert to fraction form
    14,449.91/19,933.22 = 14,043.29/x
  3. Step 3: Cross multiply
    14,449.91x = 19,933.22 × 14,043.29
  4. Step 4: Simplify right side
    14,449.91x = 279,927,924.54
  5. Step 5: Solve for x
    x = 279,927,924.54/14,449.91
  6. Step 6: Final answer
    x = 19,372.30

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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.