Home / 13,975.29-20,958.48-4,613.56

Finding the Fourth Proportional to 13,975.29, 20,958.48 and 4,613.56

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Solution

The fourth proportional to 13,975.29, 20,958.48 and 4,613.56 is: 6,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.29 : 20,958.48 = 4,613.56 : x
  2. Step 2: Convert to fraction form
    13,975.29/20,958.48 = 4,613.56/x
  3. Step 3: Cross multiply
    13,975.29x = 20,958.48 × 4,613.56
  4. Step 4: Simplify right side
    13,975.29x = 96,693,204.99
  5. Step 5: Solve for x
    x = 96,693,204.99/13,975.29
  6. Step 6: Final answer
    x = 6,918.87

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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.