Home / 19,485.64-26,764.58-19,112.05

Finding the Fourth Proportional to 19,485.64, 26,764.58 and 19,112.05

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Solution

The fourth proportional to 19,485.64, 26,764.58 and 19,112.05 is: 26,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.64 : 26,764.58 = 19,112.05 : x
  2. Step 2: Convert to fraction form
    19,485.64/26,764.58 = 19,112.05/x
  3. Step 3: Cross multiply
    19,485.64x = 26,764.58 × 19,112.05
  4. Step 4: Simplify right side
    19,485.64x = 511,525,991.19
  5. Step 5: Solve for x
    x = 511,525,991.19/19,485.64
  6. Step 6: Final answer
    x = 26,251.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.