Home / 13,722.69-20,583.99-4,955.52

Finding the Fourth Proportional to 13,722.69, 20,583.99 and 4,955.52

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Solution

The fourth proportional to 13,722.69, 20,583.99 and 4,955.52 is: 7,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.69 : 20,583.99 = 4,955.52 : x
  2. Step 2: Convert to fraction form
    13,722.69/20,583.99 = 4,955.52/x
  3. Step 3: Cross multiply
    13,722.69x = 20,583.99 × 4,955.52
  4. Step 4: Simplify right side
    13,722.69x = 102,004,374.12
  5. Step 5: Solve for x
    x = 102,004,374.12/13,722.69
  6. Step 6: Final answer
    x = 7,433.26

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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.