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Finding the Fourth Proportional to 18,793.02, 25,951.78 and 14,069.10

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Solution

The fourth proportional to 18,793.02, 25,951.78 and 14,069.10 is: 19,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.02 : 25,951.78 = 14,069.10 : x
  2. Step 2: Convert to fraction form
    18,793.02/25,951.78 = 14,069.10/x
  3. Step 3: Cross multiply
    18,793.02x = 25,951.78 × 14,069.10
  4. Step 4: Simplify right side
    18,793.02x = 365,118,188.00
  5. Step 5: Solve for x
    x = 365,118,188.00/18,793.02
  6. Step 6: Final answer
    x = 19,428.39

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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.