Home / 20,625.03-30,918.51-7,473.87

Finding the Fourth Proportional to 20,625.03, 30,918.51 and 7,473.87

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Solution

The fourth proportional to 20,625.03, 30,918.51 and 7,473.87 is: 11,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.03 : 30,918.51 = 7,473.87 : x
  2. Step 2: Convert to fraction form
    20,625.03/30,918.51 = 7,473.87/x
  3. Step 3: Cross multiply
    20,625.03x = 30,918.51 × 7,473.87
  4. Step 4: Simplify right side
    20,625.03x = 231,080,924.33
  5. Step 5: Solve for x
    x = 231,080,924.33/20,625.03
  6. Step 6: Final answer
    x = 11,203.91

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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.