Home / 13,763.31-20,639.73-5,860.86

Finding the Fourth Proportional to 13,763.31, 20,639.73 and 5,860.86

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Solution

The fourth proportional to 13,763.31, 20,639.73 and 5,860.86 is: 8,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.31 : 20,639.73 = 5,860.86 : x
  2. Step 2: Convert to fraction form
    13,763.31/20,639.73 = 5,860.86/x
  3. Step 3: Cross multiply
    13,763.31x = 20,639.73 × 5,860.86
  4. Step 4: Simplify right side
    13,763.31x = 120,966,567.97
  5. Step 5: Solve for x
    x = 120,966,567.97/13,763.31
  6. Step 6: Final answer
    x = 8,789.06

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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.