Home / 19,361.30-28,968.58-11,468.05

Finding the Fourth Proportional to 19,361.30, 28,968.58 and 11,468.05

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Solution

The fourth proportional to 19,361.30, 28,968.58 and 11,468.05 is: 17,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.30 : 28,968.58 = 11,468.05 : x
  2. Step 2: Convert to fraction form
    19,361.30/28,968.58 = 11,468.05/x
  3. Step 3: Cross multiply
    19,361.30x = 28,968.58 × 11,468.05
  4. Step 4: Simplify right side
    19,361.30x = 332,212,950.36
  5. Step 5: Solve for x
    x = 332,212,950.36/19,361.30
  6. Step 6: Final answer
    x = 17,158.61

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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.