Home / 18,075.86-27,120.45-7,546.97

Finding the Fourth Proportional to 18,075.86, 27,120.45 and 7,546.97

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Solution

The fourth proportional to 18,075.86, 27,120.45 and 7,546.97 is: 11,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.86 : 27,120.45 = 7,546.97 : x
  2. Step 2: Convert to fraction form
    18,075.86/27,120.45 = 7,546.97/x
  3. Step 3: Cross multiply
    18,075.86x = 27,120.45 × 7,546.97
  4. Step 4: Simplify right side
    18,075.86x = 204,677,318.64
  5. Step 5: Solve for x
    x = 204,677,318.64/18,075.86
  6. Step 6: Final answer
    x = 11,323.24

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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.