Home / 17,163.61-23,696.49-13,176.79

Finding the Fourth Proportional to 17,163.61, 23,696.49 and 13,176.79

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Solution

The fourth proportional to 17,163.61, 23,696.49 and 13,176.79 is: 18,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.61 : 23,696.49 = 13,176.79 : x
  2. Step 2: Convert to fraction form
    17,163.61/23,696.49 = 13,176.79/x
  3. Step 3: Cross multiply
    17,163.61x = 23,696.49 × 13,176.79
  4. Step 4: Simplify right side
    17,163.61x = 312,243,672.47
  5. Step 5: Solve for x
    x = 312,243,672.47/17,163.61
  6. Step 6: Final answer
    x = 18,192.19

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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.