Home / 18,400.10-27,601.43-5,252.58

Finding the Fourth Proportional to 18,400.10, 27,601.43 and 5,252.58

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Solution

The fourth proportional to 18,400.10, 27,601.43 and 5,252.58 is: 7,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.10 : 27,601.43 = 5,252.58 : x
  2. Step 2: Convert to fraction form
    18,400.10/27,601.43 = 5,252.58/x
  3. Step 3: Cross multiply
    18,400.10x = 27,601.43 × 5,252.58
  4. Step 4: Simplify right side
    18,400.10x = 144,978,692.93
  5. Step 5: Solve for x
    x = 144,978,692.93/18,400.10
  6. Step 6: Final answer
    x = 7,879.24

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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.