Home / 21,759.24-30,032.58-12,333

Finding the Fourth Proportional to 21,759.24, 30,032.58 and 12,333

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Solution

The fourth proportional to 21,759.24, 30,032.58 and 12,333 is: 17,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,759.24 : 30,032.58 = 12,333 : x
  2. Step 2: Convert to fraction form
    21,759.24/30,032.58 = 12,333/x
  3. Step 3: Cross multiply
    21,759.24x = 30,032.58 × 12,333
  4. Step 4: Simplify right side
    21,759.24x = 370,391,809.14
  5. Step 5: Solve for x
    x = 370,391,809.14/21,759.24
  6. Step 6: Final answer
    x = 17,022.28

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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.