Home / 13,603.80-20,396.52-4,716.84

Finding the Fourth Proportional to 13,603.80, 20,396.52 and 4,716.84

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Solution

The fourth proportional to 13,603.80, 20,396.52 and 4,716.84 is: 7,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.80 : 20,396.52 = 4,716.84 : x
  2. Step 2: Convert to fraction form
    13,603.80/20,396.52 = 4,716.84/x
  3. Step 3: Cross multiply
    13,603.80x = 20,396.52 × 4,716.84
  4. Step 4: Simplify right side
    13,603.80x = 96,207,121.40
  5. Step 5: Solve for x
    x = 96,207,121.40/13,603.80
  6. Step 6: Final answer
    x = 7,072.08

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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.