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Finding the Fourth Proportional to 14,222.52, 19,627.11 and 7,935.30

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Solution

The fourth proportional to 14,222.52, 19,627.11 and 7,935.30 is: 10,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.52 : 19,627.11 = 7,935.30 : x
  2. Step 2: Convert to fraction form
    14,222.52/19,627.11 = 7,935.30/x
  3. Step 3: Cross multiply
    14,222.52x = 19,627.11 × 7,935.30
  4. Step 4: Simplify right side
    14,222.52x = 155,747,005.98
  5. Step 5: Solve for x
    x = 155,747,005.98/14,222.52
  6. Step 6: Final answer
    x = 10,950.73

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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.