Home / 14,398.88-21,583.52-5,512.13

Finding the Fourth Proportional to 14,398.88, 21,583.52 and 5,512.13

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Solution

The fourth proportional to 14,398.88, 21,583.52 and 5,512.13 is: 8,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.88 : 21,583.52 = 5,512.13 : x
  2. Step 2: Convert to fraction form
    14,398.88/21,583.52 = 5,512.13/x
  3. Step 3: Cross multiply
    14,398.88x = 21,583.52 × 5,512.13
  4. Step 4: Simplify right side
    14,398.88x = 118,971,032.62
  5. Step 5: Solve for x
    x = 118,971,032.62/14,398.88
  6. Step 6: Final answer
    x = 8,262.52

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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.