Home / 21,398.15-32,100.29-6,608.33

Finding the Fourth Proportional to 21,398.15, 32,100.29 and 6,608.33

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Solution

The fourth proportional to 21,398.15, 32,100.29 and 6,608.33 is: 9,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398.15 : 32,100.29 = 6,608.33 : x
  2. Step 2: Convert to fraction form
    21,398.15/32,100.29 = 6,608.33/x
  3. Step 3: Cross multiply
    21,398.15x = 32,100.29 × 6,608.33
  4. Step 4: Simplify right side
    21,398.15x = 212,129,115.87
  5. Step 5: Solve for x
    x = 212,129,115.87/21,398.15
  6. Step 6: Final answer
    x = 9,913.43

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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.