Home / 12,702.58-19,049.83-11,873.35

Finding the Fourth Proportional to 12,702.58, 19,049.83 and 11,873.35

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Solution

The fourth proportional to 12,702.58, 19,049.83 and 11,873.35 is: 17,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.58 : 19,049.83 = 11,873.35 : x
  2. Step 2: Convert to fraction form
    12,702.58/19,049.83 = 11,873.35/x
  3. Step 3: Cross multiply
    12,702.58x = 19,049.83 × 11,873.35
  4. Step 4: Simplify right side
    12,702.58x = 226,185,299.03
  5. Step 5: Solve for x
    x = 226,185,299.03/12,702.58
  6. Step 6: Final answer
    x = 17,806.25

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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.