Home / 14,074.08-19,423.20-7,786.56

Finding the Fourth Proportional to 14,074.08, 19,423.20 and 7,786.56

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Solution

The fourth proportional to 14,074.08, 19,423.20 and 7,786.56 is: 10,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.08 : 19,423.20 = 7,786.56 : x
  2. Step 2: Convert to fraction form
    14,074.08/19,423.20 = 7,786.56/x
  3. Step 3: Cross multiply
    14,074.08x = 19,423.20 × 7,786.56
  4. Step 4: Simplify right side
    14,074.08x = 151,239,912.19
  5. Step 5: Solve for x
    x = 151,239,912.19/14,074.08
  6. Step 6: Final answer
    x = 10,745.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.