Home / 19,231.70-28,860.47-6,751.82

Finding the Fourth Proportional to 19,231.70, 28,860.47 and 6,751.82

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Solution

The fourth proportional to 19,231.70, 28,860.47 and 6,751.82 is: 10,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.70 : 28,860.47 = 6,751.82 : x
  2. Step 2: Convert to fraction form
    19,231.70/28,860.47 = 6,751.82/x
  3. Step 3: Cross multiply
    19,231.70x = 28,860.47 × 6,751.82
  4. Step 4: Simplify right side
    19,231.70x = 194,860,762.27
  5. Step 5: Solve for x
    x = 194,860,762.27/19,231.70
  6. Step 6: Final answer
    x = 10,132.27

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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.