Home / 18,553.85-27,830.40-4,513.96

Finding the Fourth Proportional to 18,553.85, 27,830.40 and 4,513.96

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Solution

The fourth proportional to 18,553.85, 27,830.40 and 4,513.96 is: 6,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.85 : 27,830.40 = 4,513.96 : x
  2. Step 2: Convert to fraction form
    18,553.85/27,830.40 = 4,513.96/x
  3. Step 3: Cross multiply
    18,553.85x = 27,830.40 × 4,513.96
  4. Step 4: Simplify right side
    18,553.85x = 125,625,166.03
  5. Step 5: Solve for x
    x = 125,625,166.03/18,553.85
  6. Step 6: Final answer
    x = 6,770.84

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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.