Home / 13,975.43-20,958.66-4,613.69

Finding the Fourth Proportional to 13,975.43, 20,958.66 and 4,613.69

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Solution

The fourth proportional to 13,975.43, 20,958.66 and 4,613.69 is: 6,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.43 : 20,958.66 = 4,613.69 : x
  2. Step 2: Convert to fraction form
    13,975.43/20,958.66 = 4,613.69/x
  3. Step 3: Cross multiply
    13,975.43x = 20,958.66 × 4,613.69
  4. Step 4: Simplify right side
    13,975.43x = 96,696,812.45
  5. Step 5: Solve for x
    x = 96,696,812.45/13,975.43
  6. Step 6: Final answer
    x = 6,919.06

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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.