Home / 13,825.59-20,732.54-7,583.82

Finding the Fourth Proportional to 13,825.59, 20,732.54 and 7,583.82

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Solution

The fourth proportional to 13,825.59, 20,732.54 and 7,583.82 is: 11,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.59 : 20,732.54 = 7,583.82 : x
  2. Step 2: Convert to fraction form
    13,825.59/20,732.54 = 7,583.82/x
  3. Step 3: Cross multiply
    13,825.59x = 20,732.54 × 7,583.82
  4. Step 4: Simplify right side
    13,825.59x = 157,231,813.58
  5. Step 5: Solve for x
    x = 157,231,813.58/13,825.59
  6. Step 6: Final answer
    x = 11,372.52

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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.