Home / 12,964.65-19,450.07-4,199.55

Finding the Fourth Proportional to 12,964.65, 19,450.07 and 4,199.55

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Solution

The fourth proportional to 12,964.65, 19,450.07 and 4,199.55 is: 6,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.65 : 19,450.07 = 4,199.55 : x
  2. Step 2: Convert to fraction form
    12,964.65/19,450.07 = 4,199.55/x
  3. Step 3: Cross multiply
    12,964.65x = 19,450.07 × 4,199.55
  4. Step 4: Simplify right side
    12,964.65x = 81,681,520.47
  5. Step 5: Solve for x
    x = 81,681,520.47/12,964.65
  6. Step 6: Final answer
    x = 6,300.33

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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.