Home / 21,975.10-32,959.00-7,932.43

Finding the Fourth Proportional to 21,975.10, 32,959.00 and 7,932.43

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Solution

The fourth proportional to 21,975.10, 32,959.00 and 7,932.43 is: 11,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.10 : 32,959.00 = 7,932.43 : x
  2. Step 2: Convert to fraction form
    21,975.10/32,959.00 = 7,932.43/x
  3. Step 3: Cross multiply
    21,975.10x = 32,959.00 × 7,932.43
  4. Step 4: Simplify right side
    21,975.10x = 261,445,011.48
  5. Step 5: Solve for x
    x = 261,445,011.48/21,975.10
  6. Step 6: Final answer
    x = 11,897.33

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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.