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Finding the Fourth Proportional to 13,995.73, 20,950.17 and 10,464.94

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Solution

The fourth proportional to 13,995.73, 20,950.17 and 10,464.94 is: 15,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.73 : 20,950.17 = 10,464.94 : x
  2. Step 2: Convert to fraction form
    13,995.73/20,950.17 = 10,464.94/x
  3. Step 3: Cross multiply
    13,995.73x = 20,950.17 × 10,464.94
  4. Step 4: Simplify right side
    13,995.73x = 219,242,272.04
  5. Step 5: Solve for x
    x = 219,242,272.04/13,995.73
  6. Step 6: Final answer
    x = 15,664.94

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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.