Home / 19,596.78-29,399.58-6,448.68

Finding the Fourth Proportional to 19,596.78, 29,399.58 and 6,448.68

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Solution

The fourth proportional to 19,596.78, 29,399.58 and 6,448.68 is: 9,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.78 : 29,399.58 = 6,448.68 : x
  2. Step 2: Convert to fraction form
    19,596.78/29,399.58 = 6,448.68/x
  3. Step 3: Cross multiply
    19,596.78x = 29,399.58 × 6,448.68
  4. Step 4: Simplify right side
    19,596.78x = 189,588,483.55
  5. Step 5: Solve for x
    x = 189,588,483.55/19,596.78
  6. Step 6: Final answer
    x = 9,674.47

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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.