Home / 19,942.48-29,922.36-10,697.68

Finding the Fourth Proportional to 19,942.48, 29,922.36 and 10,697.68

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Solution

The fourth proportional to 19,942.48, 29,922.36 and 10,697.68 is: 16,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.48 : 29,922.36 = 10,697.68 : x
  2. Step 2: Convert to fraction form
    19,942.48/29,922.36 = 10,697.68/x
  3. Step 3: Cross multiply
    19,942.48x = 29,922.36 × 10,697.68
  4. Step 4: Simplify right side
    19,942.48x = 320,099,832.12
  5. Step 5: Solve for x
    x = 320,099,832.12/19,942.48
  6. Step 6: Final answer
    x = 16,051.15

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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.