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Finding the Fourth Proportional to 15,190.00, 20,958.95 and 9,522.02

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Solution

The fourth proportional to 15,190.00, 20,958.95 and 9,522.02 is: 13,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.00 : 20,958.95 = 9,522.02 : x
  2. Step 2: Convert to fraction form
    15,190.00/20,958.95 = 9,522.02/x
  3. Step 3: Cross multiply
    15,190.00x = 20,958.95 × 9,522.02
  4. Step 4: Simplify right side
    15,190.00x = 199,571,617.28
  5. Step 5: Solve for x
    x = 199,571,617.28/15,190.00
  6. Step 6: Final answer
    x = 13,138.36

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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.