Home / 18,112.98-27,173.38-5,632.76

Finding the Fourth Proportional to 18,112.98, 27,173.38 and 5,632.76

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Solution

The fourth proportional to 18,112.98, 27,173.38 and 5,632.76 is: 8,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.98 : 27,173.38 = 5,632.76 : x
  2. Step 2: Convert to fraction form
    18,112.98/27,173.38 = 5,632.76/x
  3. Step 3: Cross multiply
    18,112.98x = 27,173.38 × 5,632.76
  4. Step 4: Simplify right side
    18,112.98x = 153,061,127.93
  5. Step 5: Solve for x
    x = 153,061,127.93/18,112.98
  6. Step 6: Final answer
    x = 8,450.36

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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.