Home / 21,855.56-32,779.69-6,062.21

Finding the Fourth Proportional to 21,855.56, 32,779.69 and 6,062.21

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Solution

The fourth proportional to 21,855.56, 32,779.69 and 6,062.21 is: 9,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855.56 : 32,779.69 = 6,062.21 : x
  2. Step 2: Convert to fraction form
    21,855.56/32,779.69 = 6,062.21/x
  3. Step 3: Cross multiply
    21,855.56x = 32,779.69 × 6,062.21
  4. Step 4: Simplify right side
    21,855.56x = 198,717,185.46
  5. Step 5: Solve for x
    x = 198,717,185.46/21,855.56
  6. Step 6: Final answer
    x = 9,092.29

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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.