Home / 21,714.48-32,576.58-8,566.56

Finding the Fourth Proportional to 21,714.48, 32,576.58 and 8,566.56

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Solution

The fourth proportional to 21,714.48, 32,576.58 and 8,566.56 is: 12,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.48 : 32,576.58 = 8,566.56 : x
  2. Step 2: Convert to fraction form
    21,714.48/32,576.58 = 8,566.56/x
  3. Step 3: Cross multiply
    21,714.48x = 32,576.58 × 8,566.56
  4. Step 4: Simplify right side
    21,714.48x = 279,069,227.16
  5. Step 5: Solve for x
    x = 279,069,227.16/21,714.48
  6. Step 6: Final answer
    x = 12,851.76

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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.