Home / 20,773.99-31,159.94-7,625.33

Finding the Fourth Proportional to 20,773.99, 31,159.94 and 7,625.33

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Solution

The fourth proportional to 20,773.99, 31,159.94 and 7,625.33 is: 11,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.99 : 31,159.94 = 7,625.33 : x
  2. Step 2: Convert to fraction form
    20,773.99/31,159.94 = 7,625.33/x
  3. Step 3: Cross multiply
    20,773.99x = 31,159.94 × 7,625.33
  4. Step 4: Simplify right side
    20,773.99x = 237,604,669.48
  5. Step 5: Solve for x
    x = 237,604,669.48/20,773.99
  6. Step 6: Final answer
    x = 11,437.61

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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.