Home / 17,161.50-23,684.31-10,871.58

Finding the Fourth Proportional to 17,161.50, 23,684.31 and 10,871.58

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Solution

The fourth proportional to 17,161.50, 23,684.31 and 10,871.58 is: 15,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.50 : 23,684.31 = 10,871.58 : x
  2. Step 2: Convert to fraction form
    17,161.50/23,684.31 = 10,871.58/x
  3. Step 3: Cross multiply
    17,161.50x = 23,684.31 × 10,871.58
  4. Step 4: Simplify right side
    17,161.50x = 257,485,870.91
  5. Step 5: Solve for x
    x = 257,485,870.91/17,161.50
  6. Step 6: Final answer
    x = 15,003.69

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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.