Home / 13,306.18-19,934.34-11,936.86

Finding the Fourth Proportional to 13,306.18, 19,934.34 and 11,936.86

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Solution

The fourth proportional to 13,306.18, 19,934.34 and 11,936.86 is: 17,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.18 : 19,934.34 = 11,936.86 : x
  2. Step 2: Convert to fraction form
    13,306.18/19,934.34 = 11,936.86/x
  3. Step 3: Cross multiply
    13,306.18x = 19,934.34 × 11,936.86
  4. Step 4: Simplify right side
    13,306.18x = 237,953,425.77
  5. Step 5: Solve for x
    x = 237,953,425.77/13,306.18
  6. Step 6: Final answer
    x = 17,882.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.