Home / 13,546.31-18,693.04-7,576.95

Finding the Fourth Proportional to 13,546.31, 18,693.04 and 7,576.95

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Solution

The fourth proportional to 13,546.31, 18,693.04 and 7,576.95 is: 10,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.31 : 18,693.04 = 7,576.95 : x
  2. Step 2: Convert to fraction form
    13,546.31/18,693.04 = 7,576.95/x
  3. Step 3: Cross multiply
    13,546.31x = 18,693.04 × 7,576.95
  4. Step 4: Simplify right side
    13,546.31x = 141,636,229.43
  5. Step 5: Solve for x
    x = 141,636,229.43/13,546.31
  6. Step 6: Final answer
    x = 10,455.71

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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.