Home / 13,850.19-19,115.14-7,882.41

Finding the Fourth Proportional to 13,850.19, 19,115.14 and 7,882.41

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Solution

The fourth proportional to 13,850.19, 19,115.14 and 7,882.41 is: 10,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.19 : 19,115.14 = 7,882.41 : x
  2. Step 2: Convert to fraction form
    13,850.19/19,115.14 = 7,882.41/x
  3. Step 3: Cross multiply
    13,850.19x = 19,115.14 × 7,882.41
  4. Step 4: Simplify right side
    13,850.19x = 150,673,437.44
  5. Step 5: Solve for x
    x = 150,673,437.44/13,850.19
  6. Step 6: Final answer
    x = 10,878.80

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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.