Home / 13,245.30-19,855.60-4,474.08

Finding the Fourth Proportional to 13,245.30, 19,855.60 and 4,474.08

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Solution

The fourth proportional to 13,245.30, 19,855.60 and 4,474.08 is: 6,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.30 : 19,855.60 = 4,474.08 : x
  2. Step 2: Convert to fraction form
    13,245.30/19,855.60 = 4,474.08/x
  3. Step 3: Cross multiply
    13,245.30x = 19,855.60 × 4,474.08
  4. Step 4: Simplify right side
    13,245.30x = 88,835,531.66
  5. Step 5: Solve for x
    x = 88,835,531.66/13,245.30
  6. Step 6: Final answer
    x = 6,706.95

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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.