Home / 13,826.46-19,053.24-9,836.40

Finding the Fourth Proportional to 13,826.46, 19,053.24 and 9,836.40

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Solution

The fourth proportional to 13,826.46, 19,053.24 and 9,836.40 is: 13,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.46 : 19,053.24 = 9,836.40 : x
  2. Step 2: Convert to fraction form
    13,826.46/19,053.24 = 9,836.40/x
  3. Step 3: Cross multiply
    13,826.46x = 19,053.24 × 9,836.40
  4. Step 4: Simplify right side
    13,826.46x = 187,415,289.94
  5. Step 5: Solve for x
    x = 187,415,289.94/13,826.46
  6. Step 6: Final answer
    x = 13,554.83

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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.