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Finding the Fourth Proportional to 16,239.93, 22,410.04 and 9,165.39

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Solution

The fourth proportional to 16,239.93, 22,410.04 and 9,165.39 is: 12,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.93 : 22,410.04 = 9,165.39 : x
  2. Step 2: Convert to fraction form
    16,239.93/22,410.04 = 9,165.39/x
  3. Step 3: Cross multiply
    16,239.93x = 22,410.04 × 9,165.39
  4. Step 4: Simplify right side
    16,239.93x = 205,396,756.52
  5. Step 5: Solve for x
    x = 205,396,756.52/16,239.93
  6. Step 6: Final answer
    x = 12,647.64

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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.