Home / 14,159.94-21,221.75-5,845.79

Finding the Fourth Proportional to 14,159.94, 21,221.75 and 5,845.79

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Solution

The fourth proportional to 14,159.94, 21,221.75 and 5,845.79 is: 8,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.94 : 21,221.75 = 5,845.79 : x
  2. Step 2: Convert to fraction form
    14,159.94/21,221.75 = 5,845.79/x
  3. Step 3: Cross multiply
    14,159.94x = 21,221.75 × 5,845.79
  4. Step 4: Simplify right side
    14,159.94x = 124,057,893.93
  5. Step 5: Solve for x
    x = 124,057,893.93/14,159.94
  6. Step 6: Final answer
    x = 8,761.19

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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.