Home / 13,106.03-19,658.80-3,245.31

Finding the Fourth Proportional to 13,106.03, 19,658.80 and 3,245.31

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Solution

The fourth proportional to 13,106.03, 19,658.80 and 3,245.31 is: 4,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.03 : 19,658.80 = 3,245.31 : x
  2. Step 2: Convert to fraction form
    13,106.03/19,658.80 = 3,245.31/x
  3. Step 3: Cross multiply
    13,106.03x = 19,658.80 × 3,245.31
  4. Step 4: Simplify right side
    13,106.03x = 63,798,900.23
  5. Step 5: Solve for x
    x = 63,798,900.23/13,106.03
  6. Step 6: Final answer
    x = 4,867.90

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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.