Home / 13,208.27-19,815.44-4,442.95

Finding the Fourth Proportional to 13,208.27, 19,815.44 and 4,442.95

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Solution

The fourth proportional to 13,208.27, 19,815.44 and 4,442.95 is: 6,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.27 : 19,815.44 = 4,442.95 : x
  2. Step 2: Convert to fraction form
    13,208.27/19,815.44 = 4,442.95/x
  3. Step 3: Cross multiply
    13,208.27x = 19,815.44 × 4,442.95
  4. Step 4: Simplify right side
    13,208.27x = 88,039,011.70
  5. Step 5: Solve for x
    x = 88,039,011.70/13,208.27
  6. Step 6: Final answer
    x = 6,665.45

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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.