Home / 19,997.76-27,596.94-12,040.32

Finding the Fourth Proportional to 19,997.76, 27,596.94 and 12,040.32

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Solution

The fourth proportional to 19,997.76, 27,596.94 and 12,040.32 is: 16,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.76 : 27,596.94 = 12,040.32 : x
  2. Step 2: Convert to fraction form
    19,997.76/27,596.94 = 12,040.32/x
  3. Step 3: Cross multiply
    19,997.76x = 27,596.94 × 12,040.32
  4. Step 4: Simplify right side
    19,997.76x = 332,275,988.62
  5. Step 5: Solve for x
    x = 332,275,988.62/19,997.76
  6. Step 6: Final answer
    x = 16,615.66

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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.