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Finding the Fourth Proportional to 14,339.93, 19,786.97 and 8,051.09

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Solution

The fourth proportional to 14,339.93, 19,786.97 and 8,051.09 is: 11,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.93 : 19,786.97 = 8,051.09 : x
  2. Step 2: Convert to fraction form
    14,339.93/19,786.97 = 8,051.09/x
  3. Step 3: Cross multiply
    14,339.93x = 19,786.97 × 8,051.09
  4. Step 4: Simplify right side
    14,339.93x = 159,306,636.04
  5. Step 5: Solve for x
    x = 159,306,636.04/14,339.93
  6. Step 6: Final answer
    x = 11,109.30

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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.