Home / 19,981.06-27,575.67-12,022

Finding the Fourth Proportional to 19,981.06, 27,575.67 and 12,022

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Solution

The fourth proportional to 19,981.06, 27,575.67 and 12,022 is: 16,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.06 : 27,575.67 = 12,022 : x
  2. Step 2: Convert to fraction form
    19,981.06/27,575.67 = 12,022/x
  3. Step 3: Cross multiply
    19,981.06x = 27,575.67 × 12,022
  4. Step 4: Simplify right side
    19,981.06x = 331,514,704.74
  5. Step 5: Solve for x
    x = 331,514,704.74/19,981.06
  6. Step 6: Final answer
    x = 16,591.45

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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.