Home / 13,635.03-18,817.77-8,333.38

Finding the Fourth Proportional to 13,635.03, 18,817.77 and 8,333.38

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Solution

The fourth proportional to 13,635.03, 18,817.77 and 8,333.38 is: 11,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.03 : 18,817.77 = 8,333.38 : x
  2. Step 2: Convert to fraction form
    13,635.03/18,817.77 = 8,333.38/x
  3. Step 3: Cross multiply
    13,635.03x = 18,817.77 × 8,333.38
  4. Step 4: Simplify right side
    13,635.03x = 156,815,636.06
  5. Step 5: Solve for x
    x = 156,815,636.06/13,635.03
  6. Step 6: Final answer
    x = 11,500.93

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1.5x scale

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.