Home / 17,112.63-23,608.94-11,149.41

Finding the Fourth Proportional to 17,112.63, 23,608.94 and 11,149.41

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Solution

The fourth proportional to 17,112.63, 23,608.94 and 11,149.41 is: 15,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.63 : 23,608.94 = 11,149.41 : x
  2. Step 2: Convert to fraction form
    17,112.63/23,608.94 = 11,149.41/x
  3. Step 3: Cross multiply
    17,112.63x = 23,608.94 × 11,149.41
  4. Step 4: Simplify right side
    17,112.63x = 263,225,695.98
  5. Step 5: Solve for x
    x = 263,225,695.98/17,112.63
  6. Step 6: Final answer
    x = 15,381.95

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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.