Home / 20,554.24-30,829.02-5,764.36

Finding the Fourth Proportional to 20,554.24, 30,829.02 and 5,764.36

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Solution

The fourth proportional to 20,554.24, 30,829.02 and 5,764.36 is: 8,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.24 : 30,829.02 = 5,764.36 : x
  2. Step 2: Convert to fraction form
    20,554.24/30,829.02 = 5,764.36/x
  3. Step 3: Cross multiply
    20,554.24x = 30,829.02 × 5,764.36
  4. Step 4: Simplify right side
    20,554.24x = 177,709,569.73
  5. Step 5: Solve for x
    x = 177,709,569.73/20,554.24
  6. Step 6: Final answer
    x = 8,645.88

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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.