Home / 19,905.45-29,849.67-6,751.86

Finding the Fourth Proportional to 19,905.45, 29,849.67 and 6,751.86

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Solution

The fourth proportional to 19,905.45, 29,849.67 and 6,751.86 is: 10,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.45 : 29,849.67 = 6,751.86 : x
  2. Step 2: Convert to fraction form
    19,905.45/29,849.67 = 6,751.86/x
  3. Step 3: Cross multiply
    19,905.45x = 29,849.67 × 6,751.86
  4. Step 4: Simplify right side
    19,905.45x = 201,540,792.89
  5. Step 5: Solve for x
    x = 201,540,792.89/19,905.45
  6. Step 6: Final answer
    x = 10,124.91

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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.