Home / 19,984.44-27,596.28-12,443.70

Finding the Fourth Proportional to 19,984.44, 27,596.28 and 12,443.70

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Solution

The fourth proportional to 19,984.44, 27,596.28 and 12,443.70 is: 17,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.44 : 27,596.28 = 12,443.70 : x
  2. Step 2: Convert to fraction form
    19,984.44/27,596.28 = 12,443.70/x
  3. Step 3: Cross multiply
    19,984.44x = 27,596.28 × 12,443.70
  4. Step 4: Simplify right side
    19,984.44x = 343,399,829.44
  5. Step 5: Solve for x
    x = 343,399,829.44/19,984.44
  6. Step 6: Final answer
    x = 17,183.36

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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.