Home / 14,057.94-19,399.96-7,770.31

Finding the Fourth Proportional to 14,057.94, 19,399.96 and 7,770.31

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Solution

The fourth proportional to 14,057.94, 19,399.96 and 7,770.31 is: 10,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.94 : 19,399.96 = 7,770.31 : x
  2. Step 2: Convert to fraction form
    14,057.94/19,399.96 = 7,770.31/x
  3. Step 3: Cross multiply
    14,057.94x = 19,399.96 × 7,770.31
  4. Step 4: Simplify right side
    14,057.94x = 150,743,703.19
  5. Step 5: Solve for x
    x = 150,743,703.19/14,057.94
  6. Step 6: Final answer
    x = 10,723.03

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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.