Home / 18,496.45-27,751.67-11,106.06

Finding the Fourth Proportional to 18,496.45, 27,751.67 and 11,106.06

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Solution

The fourth proportional to 18,496.45, 27,751.67 and 11,106.06 is: 16,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.45 : 27,751.67 = 11,106.06 : x
  2. Step 2: Convert to fraction form
    18,496.45/27,751.67 = 11,106.06/x
  3. Step 3: Cross multiply
    18,496.45x = 27,751.67 × 11,106.06
  4. Step 4: Simplify right side
    18,496.45x = 308,211,712.12
  5. Step 5: Solve for x
    x = 308,211,712.12/18,496.45
  6. Step 6: Final answer
    x = 16,663.29

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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.