Home / 13,935.14-19,230.82-7,967.36

Finding the Fourth Proportional to 13,935.14, 19,230.82 and 7,967.36

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Solution

The fourth proportional to 13,935.14, 19,230.82 and 7,967.36 is: 10,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.14 : 19,230.82 = 7,967.36 : x
  2. Step 2: Convert to fraction form
    13,935.14/19,230.82 = 7,967.36/x
  3. Step 3: Cross multiply
    13,935.14x = 19,230.82 × 7,967.36
  4. Step 4: Simplify right side
    13,935.14x = 153,218,866.04
  5. Step 5: Solve for x
    x = 153,218,866.04/13,935.14
  6. Step 6: Final answer
    x = 10,995.14

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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.