Home / 13,694.87-20,548.69-4,336.34

Finding the Fourth Proportional to 13,694.87, 20,548.69 and 4,336.34

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Solution

The fourth proportional to 13,694.87, 20,548.69 and 4,336.34 is: 6,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.87 : 20,548.69 = 4,336.34 : x
  2. Step 2: Convert to fraction form
    13,694.87/20,548.69 = 4,336.34/x
  3. Step 3: Cross multiply
    13,694.87x = 20,548.69 × 4,336.34
  4. Step 4: Simplify right side
    13,694.87x = 89,105,992.81
  5. Step 5: Solve for x
    x = 89,105,992.81/13,694.87
  6. Step 6: Final answer
    x = 6,506.52

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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.