Home / 14,553.47-21,797.71-12,655.04

Finding the Fourth Proportional to 14,553.47, 21,797.71 and 12,655.04

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Solution

The fourth proportional to 14,553.47, 21,797.71 and 12,655.04 is: 18,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.47 : 21,797.71 = 12,655.04 : x
  2. Step 2: Convert to fraction form
    14,553.47/21,797.71 = 12,655.04/x
  3. Step 3: Cross multiply
    14,553.47x = 21,797.71 × 12,655.04
  4. Step 4: Simplify right side
    14,553.47x = 275,850,751.33
  5. Step 5: Solve for x
    x = 275,850,751.33/14,553.47
  6. Step 6: Final answer
    x = 18,954.29

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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.