Home / 13,742.98-20,615.96-4,975.95

Finding the Fourth Proportional to 13,742.98, 20,615.96 and 4,975.95

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Solution

The fourth proportional to 13,742.98, 20,615.96 and 4,975.95 is: 7,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.98 : 20,615.96 = 4,975.95 : x
  2. Step 2: Convert to fraction form
    13,742.98/20,615.96 = 4,975.95/x
  3. Step 3: Cross multiply
    13,742.98x = 20,615.96 × 4,975.95
  4. Step 4: Simplify right side
    13,742.98x = 102,583,986.16
  5. Step 5: Solve for x
    x = 102,583,986.16/13,742.98
  6. Step 6: Final answer
    x = 7,464.46

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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.