Home / 14,159.46-21,239.62-3,629.54

Finding the Fourth Proportional to 14,159.46, 21,239.62 and 3,629.54

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Solution

The fourth proportional to 14,159.46, 21,239.62 and 3,629.54 is: 5,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.46 : 21,239.62 = 3,629.54 : x
  2. Step 2: Convert to fraction form
    14,159.46/21,239.62 = 3,629.54/x
  3. Step 3: Cross multiply
    14,159.46x = 21,239.62 × 3,629.54
  4. Step 4: Simplify right side
    14,159.46x = 77,090,050.37
  5. Step 5: Solve for x
    x = 77,090,050.37/14,159.46
  6. Step 6: Final answer
    x = 5,444.42

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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.