Home / 13,900.11-20,845.81-4,537.99

Finding the Fourth Proportional to 13,900.11, 20,845.81 and 4,537.99

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Solution

The fourth proportional to 13,900.11, 20,845.81 and 4,537.99 is: 6,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.11 : 20,845.81 = 4,537.99 : x
  2. Step 2: Convert to fraction form
    13,900.11/20,845.81 = 4,537.99/x
  3. Step 3: Cross multiply
    13,900.11x = 20,845.81 × 4,537.99
  4. Step 4: Simplify right side
    13,900.11x = 94,598,077.32
  5. Step 5: Solve for x
    x = 94,598,077.32/13,900.11
  6. Step 6: Final answer
    x = 6,805.56

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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.