Home / 13,032.73-19,580.25-8,361.91

Finding the Fourth Proportional to 13,032.73, 19,580.25 and 8,361.91

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Solution

The fourth proportional to 13,032.73, 19,580.25 and 8,361.91 is: 12,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.73 : 19,580.25 = 8,361.91 : x
  2. Step 2: Convert to fraction form
    13,032.73/19,580.25 = 8,361.91/x
  3. Step 3: Cross multiply
    13,032.73x = 19,580.25 × 8,361.91
  4. Step 4: Simplify right side
    13,032.73x = 163,728,197.52
  5. Step 5: Solve for x
    x = 163,728,197.52/13,032.73
  6. Step 6: Final answer
    x = 12,562.85

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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.