Home / 13,933.48-19,146.41-11,134.12

Finding the Fourth Proportional to 13,933.48, 19,146.41 and 11,134.12

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Solution

The fourth proportional to 13,933.48, 19,146.41 and 11,134.12 is: 15,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.48 : 19,146.41 = 11,134.12 : x
  2. Step 2: Convert to fraction form
    13,933.48/19,146.41 = 11,134.12/x
  3. Step 3: Cross multiply
    13,933.48x = 19,146.41 × 11,134.12
  4. Step 4: Simplify right side
    13,933.48x = 213,178,426.51
  5. Step 5: Solve for x
    x = 213,178,426.51/13,933.48
  6. Step 6: Final answer
    x = 15,299.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.