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Finding the Fourth Proportional to 14,696.91, 20,267.92 and 11,334.40

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Solution

The fourth proportional to 14,696.91, 20,267.92 and 11,334.40 is: 15,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.91 : 20,267.92 = 11,334.40 : x
  2. Step 2: Convert to fraction form
    14,696.91/20,267.92 = 11,334.40/x
  3. Step 3: Cross multiply
    14,696.91x = 20,267.92 × 11,334.40
  4. Step 4: Simplify right side
    14,696.91x = 229,724,675.95
  5. Step 5: Solve for x
    x = 229,724,675.95/14,696.91
  6. Step 6: Final answer
    x = 15,630.81

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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.