Home / 13,175.94-19,771.71-4,861.81

Finding the Fourth Proportional to 13,175.94, 19,771.71 and 4,861.81

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Solution

The fourth proportional to 13,175.94, 19,771.71 and 4,861.81 is: 7,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.94 : 19,771.71 = 4,861.81 : x
  2. Step 2: Convert to fraction form
    13,175.94/19,771.71 = 4,861.81/x
  3. Step 3: Cross multiply
    13,175.94x = 19,771.71 × 4,861.81
  4. Step 4: Simplify right side
    13,175.94x = 96,126,297.40
  5. Step 5: Solve for x
    x = 96,126,297.40/13,175.94
  6. Step 6: Final answer
    x = 7,295.59

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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.