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Finding the Fourth Proportional to 12,950.92, 19,463.40 and 12,073.39

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Solution

The fourth proportional to 12,950.92, 19,463.40 and 12,073.39 is: 18,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.92 : 19,463.40 = 12,073.39 : x
  2. Step 2: Convert to fraction form
    12,950.92/19,463.40 = 12,073.39/x
  3. Step 3: Cross multiply
    12,950.92x = 19,463.40 × 12,073.39
  4. Step 4: Simplify right side
    12,950.92x = 234,989,218.93
  5. Step 5: Solve for x
    x = 234,989,218.93/12,950.92
  6. Step 6: Final answer
    x = 18,144.60

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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.