Home / 22,965.22-31,668.67-21,625.82

Finding the Fourth Proportional to 22,965.22, 31,668.67 and 21,625.82

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Solution

The fourth proportional to 22,965.22, 31,668.67 and 21,625.82 is: 29,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965.22 : 31,668.67 = 21,625.82 : x
  2. Step 2: Convert to fraction form
    22,965.22/31,668.67 = 21,625.82/x
  3. Step 3: Cross multiply
    22,965.22x = 31,668.67 × 21,625.82
  4. Step 4: Simplify right side
    22,965.22x = 684,860,944.51
  5. Step 5: Solve for x
    x = 684,860,944.51/22,965.22
  6. Step 6: Final answer
    x = 29,821.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.