Home / 19,956.53-27,539.48-11,003.88

Finding the Fourth Proportional to 19,956.53, 27,539.48 and 11,003.88

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Solution

The fourth proportional to 19,956.53, 27,539.48 and 11,003.88 is: 15,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.53 : 27,539.48 = 11,003.88 : x
  2. Step 2: Convert to fraction form
    19,956.53/27,539.48 = 11,003.88/x
  3. Step 3: Cross multiply
    19,956.53x = 27,539.48 × 11,003.88
  4. Step 4: Simplify right side
    19,956.53x = 303,041,160.69
  5. Step 5: Solve for x
    x = 303,041,160.69/19,956.53
  6. Step 6: Final answer
    x = 15,185.06

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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.