Home / 18,633.78-27,954.54-5,484.96

Finding the Fourth Proportional to 18,633.78, 27,954.54 and 5,484.96

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Solution

The fourth proportional to 18,633.78, 27,954.54 and 5,484.96 is: 8,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.78 : 27,954.54 = 5,484.96 : x
  2. Step 2: Convert to fraction form
    18,633.78/27,954.54 = 5,484.96/x
  3. Step 3: Cross multiply
    18,633.78x = 27,954.54 × 5,484.96
  4. Step 4: Simplify right side
    18,633.78x = 153,329,533.72
  5. Step 5: Solve for x
    x = 153,329,533.72/18,633.78
  6. Step 6: Final answer
    x = 8,228.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.