Home / 21,957.64-32,930.60-6,161.74

Finding the Fourth Proportional to 21,957.64, 32,930.60 and 6,161.74

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Solution

The fourth proportional to 21,957.64, 32,930.60 and 6,161.74 is: 9,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957.64 : 32,930.60 = 6,161.74 : x
  2. Step 2: Convert to fraction form
    21,957.64/32,930.60 = 6,161.74/x
  3. Step 3: Cross multiply
    21,957.64x = 32,930.60 × 6,161.74
  4. Step 4: Simplify right side
    21,957.64x = 202,909,795.24
  5. Step 5: Solve for x
    x = 202,909,795.24/21,957.64
  6. Step 6: Final answer
    x = 9,240.97

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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.