Home / 13,273.80-19,890.01-4,951.56

Finding the Fourth Proportional to 13,273.80, 19,890.01 and 4,951.56

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Solution

The fourth proportional to 13,273.80, 19,890.01 and 4,951.56 is: 7,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.80 : 19,890.01 = 4,951.56 : x
  2. Step 2: Convert to fraction form
    13,273.80/19,890.01 = 4,951.56/x
  3. Step 3: Cross multiply
    13,273.80x = 19,890.01 × 4,951.56
  4. Step 4: Simplify right side
    13,273.80x = 98,486,577.92
  5. Step 5: Solve for x
    x = 98,486,577.92/13,273.80
  6. Step 6: Final answer
    x = 7,419.62

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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.