Home / 13,900.77-20,852.43-4,540.41

Finding the Fourth Proportional to 13,900.77, 20,852.43 and 4,540.41

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Solution

The fourth proportional to 13,900.77, 20,852.43 and 4,540.41 is: 6,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.77 : 20,852.43 = 4,540.41 : x
  2. Step 2: Convert to fraction form
    13,900.77/20,852.43 = 4,540.41/x
  3. Step 3: Cross multiply
    13,900.77x = 20,852.43 × 4,540.41
  4. Step 4: Simplify right side
    13,900.77x = 94,678,581.70
  5. Step 5: Solve for x
    x = 94,678,581.70/13,900.77
  6. Step 6: Final answer
    x = 6,811.03

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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.