Home / 14,012.94-19,338.26-7,725.72

Finding the Fourth Proportional to 14,012.94, 19,338.26 and 7,725.72

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Solution

The fourth proportional to 14,012.94, 19,338.26 and 7,725.72 is: 10,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.94 : 19,338.26 = 7,725.72 : x
  2. Step 2: Convert to fraction form
    14,012.94/19,338.26 = 7,725.72/x
  3. Step 3: Cross multiply
    14,012.94x = 19,338.26 × 7,725.72
  4. Step 4: Simplify right side
    14,012.94x = 149,401,982.05
  5. Step 5: Solve for x
    x = 149,401,982.05/14,012.94
  6. Step 6: Final answer
    x = 10,661.72

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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.