Home / 19,361.43-29,042.15-8,266.05

Finding the Fourth Proportional to 19,361.43, 29,042.15 and 8,266.05

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Solution

The fourth proportional to 19,361.43, 29,042.15 and 8,266.05 is: 12,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.43 : 29,042.15 = 8,266.05 : x
  2. Step 2: Convert to fraction form
    19,361.43/29,042.15 = 8,266.05/x
  3. Step 3: Cross multiply
    19,361.43x = 29,042.15 × 8,266.05
  4. Step 4: Simplify right side
    19,361.43x = 240,063,822.68
  5. Step 5: Solve for x
    x = 240,063,822.68/19,361.43
  6. Step 6: Final answer
    x = 12,399.08

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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.