Home / 12,914.94-19,375.20-4,150.74

Finding the Fourth Proportional to 12,914.94, 19,375.20 and 4,150.74

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Solution

The fourth proportional to 12,914.94, 19,375.20 and 4,150.74 is: 6,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.94 : 19,375.20 = 4,150.74 : x
  2. Step 2: Convert to fraction form
    12,914.94/19,375.20 = 4,150.74/x
  3. Step 3: Cross multiply
    12,914.94x = 19,375.20 × 4,150.74
  4. Step 4: Simplify right side
    12,914.94x = 80,421,417.65
  5. Step 5: Solve for x
    x = 80,421,417.65/12,914.94
  6. Step 6: Final answer
    x = 6,227.01

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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.