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Finding the Fourth Proportional to 18,709.10, 25,823.00 and 10,755.95

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Solution

The fourth proportional to 18,709.10, 25,823.00 and 10,755.95 is: 14,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.10 : 25,823.00 = 10,755.95 : x
  2. Step 2: Convert to fraction form
    18,709.10/25,823.00 = 10,755.95/x
  3. Step 3: Cross multiply
    18,709.10x = 25,823.00 × 10,755.95
  4. Step 4: Simplify right side
    18,709.10x = 277,750,713.96
  5. Step 5: Solve for x
    x = 277,750,713.96/18,709.10
  6. Step 6: Final answer
    x = 14,845.75

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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.