Home / 20,514.74-30,772.09-4,932.36

Finding the Fourth Proportional to 20,514.74, 30,772.09 and 4,932.36

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Solution

The fourth proportional to 20,514.74, 30,772.09 and 4,932.36 is: 7,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.74 : 30,772.09 = 4,932.36 : x
  2. Step 2: Convert to fraction form
    20,514.74/30,772.09 = 4,932.36/x
  3. Step 3: Cross multiply
    20,514.74x = 30,772.09 × 4,932.36
  4. Step 4: Simplify right side
    20,514.74x = 151,779,025.83
  5. Step 5: Solve for x
    x = 151,779,025.83/20,514.74
  6. Step 6: Final answer
    x = 7,398.54

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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.