Home / 19,175.12-28,769.60-6,696.98

Finding the Fourth Proportional to 19,175.12, 28,769.60 and 6,696.98

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Solution

The fourth proportional to 19,175.12, 28,769.60 and 6,696.98 is: 10,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.12 : 28,769.60 = 6,696.98 : x
  2. Step 2: Convert to fraction form
    19,175.12/28,769.60 = 6,696.98/x
  3. Step 3: Cross multiply
    19,175.12x = 28,769.60 × 6,696.98
  4. Step 4: Simplify right side
    19,175.12x = 192,669,435.81
  5. Step 5: Solve for x
    x = 192,669,435.81/19,175.12
  6. Step 6: Final answer
    x = 10,047.89

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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.