Home / 13,919.25-20,880.81-4,059.24

Finding the Fourth Proportional to 13,919.25, 20,880.81 and 4,059.24

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Solution

The fourth proportional to 13,919.25, 20,880.81 and 4,059.24 is: 6,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.25 : 20,880.81 = 4,059.24 : x
  2. Step 2: Convert to fraction form
    13,919.25/20,880.81 = 4,059.24/x
  3. Step 3: Cross multiply
    13,919.25x = 20,880.81 × 4,059.24
  4. Step 4: Simplify right side
    13,919.25x = 84,760,219.18
  5. Step 5: Solve for x
    x = 84,760,219.18/13,919.25
  6. Step 6: Final answer
    x = 6,089.42

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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.