Home / 14,057.97-19,399.98-7,770.35

Finding the Fourth Proportional to 14,057.97, 19,399.98 and 7,770.35

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Solution

The fourth proportional to 14,057.97, 19,399.98 and 7,770.35 is: 10,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.97 : 19,399.98 = 7,770.35 : x
  2. Step 2: Convert to fraction form
    14,057.97/19,399.98 = 7,770.35/x
  3. Step 3: Cross multiply
    14,057.97x = 19,399.98 × 7,770.35
  4. Step 4: Simplify right side
    14,057.97x = 150,744,537.59
  5. Step 5: Solve for x
    x = 150,744,537.59/14,057.97
  6. Step 6: Final answer
    x = 10,723.07

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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.