Home / 13,476.70-20,215.07-4,711.60

Finding the Fourth Proportional to 13,476.70, 20,215.07 and 4,711.60

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Solution

The fourth proportional to 13,476.70, 20,215.07 and 4,711.60 is: 7,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.70 : 20,215.07 = 4,711.60 : x
  2. Step 2: Convert to fraction form
    13,476.70/20,215.07 = 4,711.60/x
  3. Step 3: Cross multiply
    13,476.70x = 20,215.07 × 4,711.60
  4. Step 4: Simplify right side
    13,476.70x = 95,245,323.81
  5. Step 5: Solve for x
    x = 95,245,323.81/13,476.70
  6. Step 6: Final answer
    x = 7,067.41

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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.