Home / 18,310.13-27,463.80-5,830.55

Finding the Fourth Proportional to 18,310.13, 27,463.80 and 5,830.55

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Solution

The fourth proportional to 18,310.13, 27,463.80 and 5,830.55 is: 8,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.13 : 27,463.80 = 5,830.55 : x
  2. Step 2: Convert to fraction form
    18,310.13/27,463.80 = 5,830.55/x
  3. Step 3: Cross multiply
    18,310.13x = 27,463.80 × 5,830.55
  4. Step 4: Simplify right side
    18,310.13x = 160,129,059.09
  5. Step 5: Solve for x
    x = 160,129,059.09/18,310.13
  6. Step 6: Final answer
    x = 8,745.38

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1.5x scale

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.