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Finding the Fourth Proportional to 14,395.82, 21,593.73 and 8,235.50

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Solution

The fourth proportional to 14,395.82, 21,593.73 and 8,235.50 is: 12,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.82 : 21,593.73 = 8,235.50 : x
  2. Step 2: Convert to fraction form
    14,395.82/21,593.73 = 8,235.50/x
  3. Step 3: Cross multiply
    14,395.82x = 21,593.73 × 8,235.50
  4. Step 4: Simplify right side
    14,395.82x = 177,835,163.42
  5. Step 5: Solve for x
    x = 177,835,163.42/14,395.82
  6. Step 6: Final answer
    x = 12,353.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.