Home / 13,633.94-20,450.91-4,274.69

Finding the Fourth Proportional to 13,633.94, 20,450.91 and 4,274.69

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Solution

The fourth proportional to 13,633.94, 20,450.91 and 4,274.69 is: 6,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.94 : 20,450.91 = 4,274.69 : x
  2. Step 2: Convert to fraction form
    13,633.94/20,450.91 = 4,274.69/x
  3. Step 3: Cross multiply
    13,633.94x = 20,450.91 × 4,274.69
  4. Step 4: Simplify right side
    13,633.94x = 87,421,300.47
  5. Step 5: Solve for x
    x = 87,421,300.47/13,633.94
  6. Step 6: Final answer
    x = 6,412.04

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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.