Home / 21,982.96-32,974.15-5,342.94

Finding the Fourth Proportional to 21,982.96, 32,974.15 and 5,342.94

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Solution

The fourth proportional to 21,982.96, 32,974.15 and 5,342.94 is: 8,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.96 : 32,974.15 = 5,342.94 : x
  2. Step 2: Convert to fraction form
    21,982.96/32,974.15 = 5,342.94/x
  3. Step 3: Cross multiply
    21,982.96x = 32,974.15 × 5,342.94
  4. Step 4: Simplify right side
    21,982.96x = 176,178,886.63
  5. Step 5: Solve for x
    x = 176,178,886.63/21,982.96
  6. Step 6: Final answer
    x = 8,014.34

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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.