Home / 21,843.64-32,716.14-17,907.04

Finding the Fourth Proportional to 21,843.64, 32,716.14 and 17,907.04

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Solution

The fourth proportional to 21,843.64, 32,716.14 and 17,907.04 is: 26,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843.64 : 32,716.14 = 17,907.04 : x
  2. Step 2: Convert to fraction form
    21,843.64/32,716.14 = 17,907.04/x
  3. Step 3: Cross multiply
    21,843.64x = 32,716.14 × 17,907.04
  4. Step 4: Simplify right side
    21,843.64x = 585,849,227.63
  5. Step 5: Solve for x
    x = 585,849,227.63/21,843.64
  6. Step 6: Final answer
    x = 26,820.13

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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.