Home / 12,503.26-18,753.53-3,736.13

Finding the Fourth Proportional to 12,503.26, 18,753.53 and 3,736.13

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Solution

The fourth proportional to 12,503.26, 18,753.53 and 3,736.13 is: 5,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.26 : 18,753.53 = 3,736.13 : x
  2. Step 2: Convert to fraction form
    12,503.26/18,753.53 = 3,736.13/x
  3. Step 3: Cross multiply
    12,503.26x = 18,753.53 × 3,736.13
  4. Step 4: Simplify right side
    12,503.26x = 70,065,513.59
  5. Step 5: Solve for x
    x = 70,065,513.59/12,503.26
  6. Step 6: Final answer
    x = 5,603.78

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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.