Home / 19,830.37-29,745.28-4,837.56

Finding the Fourth Proportional to 19,830.37, 29,745.28 and 4,837.56

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Solution

The fourth proportional to 19,830.37, 29,745.28 and 4,837.56 is: 7,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.37 : 29,745.28 = 4,837.56 : x
  2. Step 2: Convert to fraction form
    19,830.37/29,745.28 = 4,837.56/x
  3. Step 3: Cross multiply
    19,830.37x = 29,745.28 × 4,837.56
  4. Step 4: Simplify right side
    19,830.37x = 143,894,576.72
  5. Step 5: Solve for x
    x = 143,894,576.72/19,830.37
  6. Step 6: Final answer
    x = 7,256.27

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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.