Home / 13,968.21-20,952.96-4,609.05

Finding the Fourth Proportional to 13,968.21, 20,952.96 and 4,609.05

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Solution

The fourth proportional to 13,968.21, 20,952.96 and 4,609.05 is: 6,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.21 : 20,952.96 = 4,609.05 : x
  2. Step 2: Convert to fraction form
    13,968.21/20,952.96 = 4,609.05/x
  3. Step 3: Cross multiply
    13,968.21x = 20,952.96 × 4,609.05
  4. Step 4: Simplify right side
    13,968.21x = 96,573,257.57
  5. Step 5: Solve for x
    x = 96,573,257.57/13,968.21
  6. Step 6: Final answer
    x = 6,913.79

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1.5x scale

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.