Home / 19,956.78-27,541.60-11,004.27

Finding the Fourth Proportional to 19,956.78, 27,541.60 and 11,004.27

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Solution

The fourth proportional to 19,956.78, 27,541.60 and 11,004.27 is: 15,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.78 : 27,541.60 = 11,004.27 : x
  2. Step 2: Convert to fraction form
    19,956.78/27,541.60 = 11,004.27/x
  3. Step 3: Cross multiply
    19,956.78x = 27,541.60 × 11,004.27
  4. Step 4: Simplify right side
    19,956.78x = 303,075,202.63
  5. Step 5: Solve for x
    x = 303,075,202.63/19,956.78
  6. Step 6: Final answer
    x = 15,186.58

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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.