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Finding the Fourth Proportional to 14,937.26, 20,623.97 and 9,911.94

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Solution

The fourth proportional to 14,937.26, 20,623.97 and 9,911.94 is: 13,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.26 : 20,623.97 = 9,911.94 : x
  2. Step 2: Convert to fraction form
    14,937.26/20,623.97 = 9,911.94/x
  3. Step 3: Cross multiply
    14,937.26x = 20,623.97 × 9,911.94
  4. Step 4: Simplify right side
    14,937.26x = 204,423,503.64
  5. Step 5: Solve for x
    x = 204,423,503.64/14,937.26
  6. Step 6: Final answer
    x = 13,685.48

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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.