Home / 19,690.85-27,173.04-10,738.37

Finding the Fourth Proportional to 19,690.85, 27,173.04 and 10,738.37

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Solution

The fourth proportional to 19,690.85, 27,173.04 and 10,738.37 is: 14,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.85 : 27,173.04 = 10,738.37 : x
  2. Step 2: Convert to fraction form
    19,690.85/27,173.04 = 10,738.37/x
  3. Step 3: Cross multiply
    19,690.85x = 27,173.04 × 10,738.37
  4. Step 4: Simplify right side
    19,690.85x = 291,794,157.54
  5. Step 5: Solve for x
    x = 291,794,157.54/19,690.85
  6. Step 6: Final answer
    x = 14,818.77

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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.