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Finding the Fourth Proportional to 14,961.71, 20,627.99 and 12,263.00

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Solution

The fourth proportional to 14,961.71, 20,627.99 and 12,263.00 is: 16,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.71 : 20,627.99 = 12,263.00 : x
  2. Step 2: Convert to fraction form
    14,961.71/20,627.99 = 12,263.00/x
  3. Step 3: Cross multiply
    14,961.71x = 20,627.99 × 12,263.00
  4. Step 4: Simplify right side
    14,961.71x = 252,960,876.92
  5. Step 5: Solve for x
    x = 252,960,876.92/14,961.71
  6. Step 6: Final answer
    x = 16,907.22

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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.