Home / 21,966.42-32,954.85-7,175.32

Finding the Fourth Proportional to 21,966.42, 32,954.85 and 7,175.32

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Solution

The fourth proportional to 21,966.42, 32,954.85 and 7,175.32 is: 10,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.42 : 32,954.85 = 7,175.32 : x
  2. Step 2: Convert to fraction form
    21,966.42/32,954.85 = 7,175.32/x
  3. Step 3: Cross multiply
    21,966.42x = 32,954.85 × 7,175.32
  4. Step 4: Simplify right side
    21,966.42x = 236,461,511.91
  5. Step 5: Solve for x
    x = 236,461,511.91/21,966.42
  6. Step 6: Final answer
    x = 10,764.68

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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.