Home / 19,942.48-29,909.40-7,462

Finding the Fourth Proportional to 19,942.48, 29,909.40 and 7,462

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Solution

The fourth proportional to 19,942.48, 29,909.40 and 7,462 is: 11,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.48 : 29,909.40 = 7,462 : x
  2. Step 2: Convert to fraction form
    19,942.48/29,909.40 = 7,462/x
  3. Step 3: Cross multiply
    19,942.48x = 29,909.40 × 7,462
  4. Step 4: Simplify right side
    19,942.48x = 223,183,942.80
  5. Step 5: Solve for x
    x = 223,183,942.80/19,942.48
  6. Step 6: Final answer
    x = 11,191.38

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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.