Home / 13,025.97-19,538.94-3,165.21

Finding the Fourth Proportional to 13,025.97, 19,538.94 and 3,165.21

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Solution

The fourth proportional to 13,025.97, 19,538.94 and 3,165.21 is: 4,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.97 : 19,538.94 = 3,165.21 : x
  2. Step 2: Convert to fraction form
    13,025.97/19,538.94 = 3,165.21/x
  3. Step 3: Cross multiply
    13,025.97x = 19,538.94 × 3,165.21
  4. Step 4: Simplify right side
    13,025.97x = 61,844,848.28
  5. Step 5: Solve for x
    x = 61,844,848.28/13,025.97
  6. Step 6: Final answer
    x = 4,747.81

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Similar ratio
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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.