Home / 13,975.53-20,965.42-4,616.54

Finding the Fourth Proportional to 13,975.53, 20,965.42 and 4,616.54

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Solution

The fourth proportional to 13,975.53, 20,965.42 and 4,616.54 is: 6,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.53 : 20,965.42 = 4,616.54 : x
  2. Step 2: Convert to fraction form
    13,975.53/20,965.42 = 4,616.54/x
  3. Step 3: Cross multiply
    13,975.53x = 20,965.42 × 4,616.54
  4. Step 4: Simplify right side
    13,975.53x = 96,787,688.27
  5. Step 5: Solve for x
    x = 96,787,688.27/13,975.53
  6. Step 6: Final answer
    x = 6,925.51

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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.