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Finding the Fourth Proportional to 19,202.50, 26,499.45 and 10,370.50

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Solution

The fourth proportional to 19,202.50, 26,499.45 and 10,370.50 is: 14,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.50 : 26,499.45 = 10,370.50 : x
  2. Step 2: Convert to fraction form
    19,202.50/26,499.45 = 10,370.50/x
  3. Step 3: Cross multiply
    19,202.50x = 26,499.45 × 10,370.50
  4. Step 4: Simplify right side
    19,202.50x = 274,812,546.23
  5. Step 5: Solve for x
    x = 274,812,546.23/19,202.50
  6. Step 6: Final answer
    x = 14,311.29

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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.