Home / 14,195.69-19,592.39-7,910.09

Finding the Fourth Proportional to 14,195.69, 19,592.39 and 7,910.09

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Solution

The fourth proportional to 14,195.69, 19,592.39 and 7,910.09 is: 10,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.69 : 19,592.39 = 7,910.09 : x
  2. Step 2: Convert to fraction form
    14,195.69/19,592.39 = 7,910.09/x
  3. Step 3: Cross multiply
    14,195.69x = 19,592.39 × 7,910.09
  4. Step 4: Simplify right side
    14,195.69x = 154,977,568.22
  5. Step 5: Solve for x
    x = 154,977,568.22/14,195.69
  6. Step 6: Final answer
    x = 10,917.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.