Home / 13,850.33-19,114.31-7,882.52

Finding the Fourth Proportional to 13,850.33, 19,114.31 and 7,882.52

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Solution

The fourth proportional to 13,850.33, 19,114.31 and 7,882.52 is: 10,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.33 : 19,114.31 = 7,882.52 : x
  2. Step 2: Convert to fraction form
    13,850.33/19,114.31 = 7,882.52/x
  3. Step 3: Cross multiply
    13,850.33x = 19,114.31 × 7,882.52
  4. Step 4: Simplify right side
    13,850.33x = 150,668,855.00
  5. Step 5: Solve for x
    x = 150,668,855.00/13,850.33
  6. Step 6: Final answer
    x = 10,878.36

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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.