Home / 19,961.32-27,546.14-11,008.64

Finding the Fourth Proportional to 19,961.32, 27,546.14 and 11,008.64

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Solution

The fourth proportional to 19,961.32, 27,546.14 and 11,008.64 is: 15,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.32 : 27,546.14 = 11,008.64 : x
  2. Step 2: Convert to fraction form
    19,961.32/27,546.14 = 11,008.64/x
  3. Step 3: Cross multiply
    19,961.32x = 27,546.14 × 11,008.64
  4. Step 4: Simplify right side
    19,961.32x = 303,245,538.65
  5. Step 5: Solve for x
    x = 303,245,538.65/19,961.32
  6. Step 6: Final answer
    x = 15,191.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.