Home / 13,175.07-19,762.48-5,378.41

Finding the Fourth Proportional to 13,175.07, 19,762.48 and 5,378.41

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Solution

The fourth proportional to 13,175.07, 19,762.48 and 5,378.41 is: 8,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.07 : 19,762.48 = 5,378.41 : x
  2. Step 2: Convert to fraction form
    13,175.07/19,762.48 = 5,378.41/x
  3. Step 3: Cross multiply
    13,175.07x = 19,762.48 × 5,378.41
  4. Step 4: Simplify right side
    13,175.07x = 106,290,720.06
  5. Step 5: Solve for x
    x = 106,290,720.06/13,175.07
  6. Step 6: Final answer
    x = 8,067.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.