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Finding the Fourth Proportional to 14,930.36, 20,597 and 9,626.88

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Solution

The fourth proportional to 14,930.36, 20,597 and 9,626.88 is: 13,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.36 : 20,597 = 9,626.88 : x
  2. Step 2: Convert to fraction form
    14,930.36/20,597 = 9,626.88/x
  3. Step 3: Cross multiply
    14,930.36x = 20,597 × 9,626.88
  4. Step 4: Simplify right side
    14,930.36x = 198,284,847.36
  5. Step 5: Solve for x
    x = 198,284,847.36/14,930.36
  6. Step 6: Final answer
    x = 13,280.65

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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.