Home / 13,247.74-18,249.24-11,353.24

Finding the Fourth Proportional to 13,247.74, 18,249.24 and 11,353.24

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Solution

The fourth proportional to 13,247.74, 18,249.24 and 11,353.24 is: 15,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.74 : 18,249.24 = 11,353.24 : x
  2. Step 2: Convert to fraction form
    13,247.74/18,249.24 = 11,353.24/x
  3. Step 3: Cross multiply
    13,247.74x = 18,249.24 × 11,353.24
  4. Step 4: Simplify right side
    13,247.74x = 207,188,001.54
  5. Step 5: Solve for x
    x = 207,188,001.54/13,247.74
  6. Step 6: Final answer
    x = 15,639.50

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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.