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Finding the Fourth Proportional to 13,950.72, 19,209.87 and 12,058.92

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Solution

The fourth proportional to 13,950.72, 19,209.87 and 12,058.92 is: 16,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.72 : 19,209.87 = 12,058.92 : x
  2. Step 2: Convert to fraction form
    13,950.72/19,209.87 = 12,058.92/x
  3. Step 3: Cross multiply
    13,950.72x = 19,209.87 × 12,058.92
  4. Step 4: Simplify right side
    13,950.72x = 231,650,285.54
  5. Step 5: Solve for x
    x = 231,650,285.54/13,950.72
  6. Step 6: Final answer
    x = 16,604.90

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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.