Home / 19,976.29-27,563.43-12,019.03

Finding the Fourth Proportional to 19,976.29, 27,563.43 and 12,019.03

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Solution

The fourth proportional to 19,976.29, 27,563.43 and 12,019.03 is: 16,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.29 : 27,563.43 = 12,019.03 : x
  2. Step 2: Convert to fraction form
    19,976.29/27,563.43 = 12,019.03/x
  3. Step 3: Cross multiply
    19,976.29x = 27,563.43 × 12,019.03
  4. Step 4: Simplify right side
    19,976.29x = 331,285,692.07
  5. Step 5: Solve for x
    x = 331,285,692.07/19,976.29
  6. Step 6: Final answer
    x = 16,583.94

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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.