Home / 21,456.26-32,193.28-11,583.93

Finding the Fourth Proportional to 21,456.26, 32,193.28 and 11,583.93

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Solution

The fourth proportional to 21,456.26, 32,193.28 and 11,583.93 is: 17,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456.26 : 32,193.28 = 11,583.93 : x
  2. Step 2: Convert to fraction form
    21,456.26/32,193.28 = 11,583.93/x
  3. Step 3: Cross multiply
    21,456.26x = 32,193.28 × 11,583.93
  4. Step 4: Simplify right side
    21,456.26x = 372,924,837.20
  5. Step 5: Solve for x
    x = 372,924,837.20/21,456.26
  6. Step 6: Final answer
    x = 17,380.70

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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.