Home / 16,161.58-22,297.62-13,172.28

Finding the Fourth Proportional to 16,161.58, 22,297.62 and 13,172.28

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Solution

The fourth proportional to 16,161.58, 22,297.62 and 13,172.28 is: 18,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.58 : 22,297.62 = 13,172.28 : x
  2. Step 2: Convert to fraction form
    16,161.58/22,297.62 = 13,172.28/x
  3. Step 3: Cross multiply
    16,161.58x = 22,297.62 × 13,172.28
  4. Step 4: Simplify right side
    16,161.58x = 293,710,493.97
  5. Step 5: Solve for x
    x = 293,710,493.97/16,161.58
  6. Step 6: Final answer
    x = 18,173.38

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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.