Home / 13,183.86-19,744.60-11,443.07

Finding the Fourth Proportional to 13,183.86, 19,744.60 and 11,443.07

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Solution

The fourth proportional to 13,183.86, 19,744.60 and 11,443.07 is: 17,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.86 : 19,744.60 = 11,443.07 : x
  2. Step 2: Convert to fraction form
    13,183.86/19,744.60 = 11,443.07/x
  3. Step 3: Cross multiply
    13,183.86x = 19,744.60 × 11,443.07
  4. Step 4: Simplify right side
    13,183.86x = 225,938,741.20
  5. Step 5: Solve for x
    x = 225,938,741.20/13,183.86
  6. Step 6: Final answer
    x = 17,137.53

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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.