Home / 19,964.72-27,550.94-11,013.06

Finding the Fourth Proportional to 19,964.72, 27,550.94 and 11,013.06

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Solution

The fourth proportional to 19,964.72, 27,550.94 and 11,013.06 is: 15,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.72 : 27,550.94 = 11,013.06 : x
  2. Step 2: Convert to fraction form
    19,964.72/27,550.94 = 11,013.06/x
  3. Step 3: Cross multiply
    19,964.72x = 27,550.94 × 11,013.06
  4. Step 4: Simplify right side
    19,964.72x = 303,420,155.28
  5. Step 5: Solve for x
    x = 303,420,155.28/19,964.72
  6. Step 6: Final answer
    x = 15,197.82

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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.