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Finding the Fourth Proportional to 14,410.26, 19,886.14 and 7,786.26

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Solution

The fourth proportional to 14,410.26, 19,886.14 and 7,786.26 is: 10,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.26 : 19,886.14 = 7,786.26 : x
  2. Step 2: Convert to fraction form
    14,410.26/19,886.14 = 7,786.26/x
  3. Step 3: Cross multiply
    14,410.26x = 19,886.14 × 7,786.26
  4. Step 4: Simplify right side
    14,410.26x = 154,838,656.44
  5. Step 5: Solve for x
    x = 154,838,656.44/14,410.26
  6. Step 6: Final answer
    x = 10,745.03

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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.