Home / 18,448.36-27,676.64-5,299.72

Finding the Fourth Proportional to 18,448.36, 27,676.64 and 5,299.72

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Solution

The fourth proportional to 18,448.36, 27,676.64 and 5,299.72 is: 7,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.36 : 27,676.64 = 5,299.72 : x
  2. Step 2: Convert to fraction form
    18,448.36/27,676.64 = 5,299.72/x
  3. Step 3: Cross multiply
    18,448.36x = 27,676.64 × 5,299.72
  4. Step 4: Simplify right side
    18,448.36x = 146,678,442.54
  5. Step 5: Solve for x
    x = 146,678,442.54/18,448.36
  6. Step 6: Final answer
    x = 7,950.76

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1.5x scale

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.