Home / 13,068.96-19,566-12,241.28

Finding the Fourth Proportional to 13,068.96, 19,566 and 12,241.28

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Solution

The fourth proportional to 13,068.96, 19,566 and 12,241.28 is: 18,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.96 : 19,566 = 12,241.28 : x
  2. Step 2: Convert to fraction form
    13,068.96/19,566 = 12,241.28/x
  3. Step 3: Cross multiply
    13,068.96x = 19,566 × 12,241.28
  4. Step 4: Simplify right side
    13,068.96x = 239,512,884.48
  5. Step 5: Solve for x
    x = 239,512,884.48/13,068.96
  6. Step 6: Final answer
    x = 18,326.85

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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.