Home / 20,554.31-30,832.48-6,703.31

Finding the Fourth Proportional to 20,554.31, 30,832.48 and 6,703.31

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Solution

The fourth proportional to 20,554.31, 30,832.48 and 6,703.31 is: 10,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.31 : 30,832.48 = 6,703.31 : x
  2. Step 2: Convert to fraction form
    20,554.31/30,832.48 = 6,703.31/x
  3. Step 3: Cross multiply
    20,554.31x = 30,832.48 × 6,703.31
  4. Step 4: Simplify right side
    20,554.31x = 206,679,756.97
  5. Step 5: Solve for x
    x = 206,679,756.97/20,554.31
  6. Step 6: Final answer
    x = 10,055.30

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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.