Home / 13,964.12-19,270.62-7,676.36

Finding the Fourth Proportional to 13,964.12, 19,270.62 and 7,676.36

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Solution

The fourth proportional to 13,964.12, 19,270.62 and 7,676.36 is: 10,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.12 : 19,270.62 = 7,676.36 : x
  2. Step 2: Convert to fraction form
    13,964.12/19,270.62 = 7,676.36/x
  3. Step 3: Cross multiply
    13,964.12x = 19,270.62 × 7,676.36
  4. Step 4: Simplify right side
    13,964.12x = 147,928,216.54
  5. Step 5: Solve for x
    x = 147,928,216.54/13,964.12
  6. Step 6: Final answer
    x = 10,593.45

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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.