Home / 19,616.46-29,424.78-4,825.38

Finding the Fourth Proportional to 19,616.46, 29,424.78 and 4,825.38

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Solution

The fourth proportional to 19,616.46, 29,424.78 and 4,825.38 is: 7,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.46 : 29,424.78 = 4,825.38 : x
  2. Step 2: Convert to fraction form
    19,616.46/29,424.78 = 4,825.38/x
  3. Step 3: Cross multiply
    19,616.46x = 29,424.78 × 4,825.38
  4. Step 4: Simplify right side
    19,616.46x = 141,985,744.92
  5. Step 5: Solve for x
    x = 141,985,744.92/19,616.46
  6. Step 6: Final answer
    x = 7,238.09

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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.