Home / 13,932.14-19,226.67-7,964.36

Finding the Fourth Proportional to 13,932.14, 19,226.67 and 7,964.36

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Solution

The fourth proportional to 13,932.14, 19,226.67 and 7,964.36 is: 10,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.14 : 19,226.67 = 7,964.36 : x
  2. Step 2: Convert to fraction form
    13,932.14/19,226.67 = 7,964.36/x
  3. Step 3: Cross multiply
    13,932.14x = 19,226.67 × 7,964.36
  4. Step 4: Simplify right side
    13,932.14x = 153,128,112.38
  5. Step 5: Solve for x
    x = 153,128,112.38/13,932.14
  6. Step 6: Final answer
    x = 10,991.00

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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.