Home / 13,754.49-20,631.50-4,394.44

Finding the Fourth Proportional to 13,754.49, 20,631.50 and 4,394.44

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Solution

The fourth proportional to 13,754.49, 20,631.50 and 4,394.44 is: 6,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.49 : 20,631.50 = 4,394.44 : x
  2. Step 2: Convert to fraction form
    13,754.49/20,631.50 = 4,394.44/x
  3. Step 3: Cross multiply
    13,754.49x = 20,631.50 × 4,394.44
  4. Step 4: Simplify right side
    13,754.49x = 90,663,888.86
  5. Step 5: Solve for x
    x = 90,663,888.86/13,754.49
  6. Step 6: Final answer
    x = 6,591.58

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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.