Home / 21,788.00-32,687.45-6,205.63

Finding the Fourth Proportional to 21,788.00, 32,687.45 and 6,205.63

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Solution

The fourth proportional to 21,788.00, 32,687.45 and 6,205.63 is: 9,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,788.00 : 32,687.45 = 6,205.63 : x
  2. Step 2: Convert to fraction form
    21,788.00/32,687.45 = 6,205.63/x
  3. Step 3: Cross multiply
    21,788.00x = 32,687.45 × 6,205.63
  4. Step 4: Simplify right side
    21,788.00x = 202,846,154.14
  5. Step 5: Solve for x
    x = 202,846,154.14/21,788.00
  6. Step 6: Final answer
    x = 9,309.99

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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.