Home / 13,208.09-19,811.15-4,884.21

Finding the Fourth Proportional to 13,208.09, 19,811.15 and 4,884.21

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Solution

The fourth proportional to 13,208.09, 19,811.15 and 4,884.21 is: 7,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.09 : 19,811.15 = 4,884.21 : x
  2. Step 2: Convert to fraction form
    13,208.09/19,811.15 = 4,884.21/x
  3. Step 3: Cross multiply
    13,208.09x = 19,811.15 × 4,884.21
  4. Step 4: Simplify right side
    13,208.09x = 96,761,792.52
  5. Step 5: Solve for x
    x = 96,761,792.52/13,208.09
  6. Step 6: Final answer
    x = 7,325.95

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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.