Home / 19,956.12-27,537.91-11,003.59

Finding the Fourth Proportional to 19,956.12, 27,537.91 and 11,003.59

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Solution

The fourth proportional to 19,956.12, 27,537.91 and 11,003.59 is: 15,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.12 : 27,537.91 = 11,003.59 : x
  2. Step 2: Convert to fraction form
    19,956.12/27,537.91 = 11,003.59/x
  3. Step 3: Cross multiply
    19,956.12x = 27,537.91 × 11,003.59
  4. Step 4: Simplify right side
    19,956.12x = 303,015,871.10
  5. Step 5: Solve for x
    x = 303,015,871.10/19,956.12
  6. Step 6: Final answer
    x = 15,184.11

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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.