Home / 13,099.14-18,075.96-7,794.36

Finding the Fourth Proportional to 13,099.14, 18,075.96 and 7,794.36

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Solution

The fourth proportional to 13,099.14, 18,075.96 and 7,794.36 is: 10,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.14 : 18,075.96 = 7,794.36 : x
  2. Step 2: Convert to fraction form
    13,099.14/18,075.96 = 7,794.36/x
  3. Step 3: Cross multiply
    13,099.14x = 18,075.96 × 7,794.36
  4. Step 4: Simplify right side
    13,099.14x = 140,890,539.59
  5. Step 5: Solve for x
    x = 140,890,539.59/13,099.14
  6. Step 6: Final answer
    x = 10,755.71

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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.