Home / 22,055.49-30,436.20-11,984.09

Finding the Fourth Proportional to 22,055.49, 30,436.20 and 11,984.09

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Solution

The fourth proportional to 22,055.49, 30,436.20 and 11,984.09 is: 16,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.49 : 30,436.20 = 11,984.09 : x
  2. Step 2: Convert to fraction form
    22,055.49/30,436.20 = 11,984.09/x
  3. Step 3: Cross multiply
    22,055.49x = 30,436.20 × 11,984.09
  4. Step 4: Simplify right side
    22,055.49x = 364,750,007.88
  5. Step 5: Solve for x
    x = 364,750,007.88/22,055.49
  6. Step 6: Final answer
    x = 16,537.83

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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.