Home / 17,162.24-23,695.36-11,571.20

Finding the Fourth Proportional to 17,162.24, 23,695.36 and 11,571.20

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Solution

The fourth proportional to 17,162.24, 23,695.36 and 11,571.20 is: 15,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,162.24 : 23,695.36 = 11,571.20 : x
  2. Step 2: Convert to fraction form
    17,162.24/23,695.36 = 11,571.20/x
  3. Step 3: Cross multiply
    17,162.24x = 23,695.36 × 11,571.20
  4. Step 4: Simplify right side
    17,162.24x = 274,183,749.63
  5. Step 5: Solve for x
    x = 274,183,749.63/17,162.24
  6. Step 6: Final answer
    x = 15,975.99

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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.