Home / 13,190.24-19,771.31-9,029.09

Finding the Fourth Proportional to 13,190.24, 19,771.31 and 9,029.09

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Solution

The fourth proportional to 13,190.24, 19,771.31 and 9,029.09 is: 13,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.24 : 19,771.31 = 9,029.09 : x
  2. Step 2: Convert to fraction form
    13,190.24/19,771.31 = 9,029.09/x
  3. Step 3: Cross multiply
    13,190.24x = 19,771.31 × 9,029.09
  4. Step 4: Simplify right side
    13,190.24x = 178,516,861.12
  5. Step 5: Solve for x
    x = 178,516,861.12/13,190.24
  6. Step 6: Final answer
    x = 13,534.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.