Home / 13,820.94-19,072.92-7,533.30

Finding the Fourth Proportional to 13,820.94, 19,072.92 and 7,533.30

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Solution

The fourth proportional to 13,820.94, 19,072.92 and 7,533.30 is: 10,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.94 : 19,072.92 = 7,533.30 : x
  2. Step 2: Convert to fraction form
    13,820.94/19,072.92 = 7,533.30/x
  3. Step 3: Cross multiply
    13,820.94x = 19,072.92 × 7,533.30
  4. Step 4: Simplify right side
    13,820.94x = 143,682,028.24
  5. Step 5: Solve for x
    x = 143,682,028.24/13,820.94
  6. Step 6: Final answer
    x = 10,395.97

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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.