Home / 21,476.76-32,218.50-6,682.56

Finding the Fourth Proportional to 21,476.76, 32,218.50 and 6,682.56

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Solution

The fourth proportional to 21,476.76, 32,218.50 and 6,682.56 is: 10,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.76 : 32,218.50 = 6,682.56 : x
  2. Step 2: Convert to fraction form
    21,476.76/32,218.50 = 6,682.56/x
  3. Step 3: Cross multiply
    21,476.76x = 32,218.50 × 6,682.56
  4. Step 4: Simplify right side
    21,476.76x = 215,302,059.36
  5. Step 5: Solve for x
    x = 215,302,059.36/21,476.76
  6. Step 6: Final answer
    x = 10,024.89

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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.