Home / 13,975.96-20,965.35-4,616

Finding the Fourth Proportional to 13,975.96, 20,965.35 and 4,616

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Solution

The fourth proportional to 13,975.96, 20,965.35 and 4,616 is: 6,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.96 : 20,965.35 = 4,616 : x
  2. Step 2: Convert to fraction form
    13,975.96/20,965.35 = 4,616/x
  3. Step 3: Cross multiply
    13,975.96x = 20,965.35 × 4,616
  4. Step 4: Simplify right side
    13,975.96x = 96,776,055.60
  5. Step 5: Solve for x
    x = 96,776,055.60/13,975.96
  6. Step 6: Final answer
    x = 6,924.47

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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.