Home / 21,740.31-32,594.49-6,940.71

Finding the Fourth Proportional to 21,740.31, 32,594.49 and 6,940.71

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Solution

The fourth proportional to 21,740.31, 32,594.49 and 6,940.71 is: 10,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.31 : 32,594.49 = 6,940.71 : x
  2. Step 2: Convert to fraction form
    21,740.31/32,594.49 = 6,940.71/x
  3. Step 3: Cross multiply
    21,740.31x = 32,594.49 × 6,940.71
  4. Step 4: Simplify right side
    21,740.31x = 226,228,902.69
  5. Step 5: Solve for x
    x = 226,228,902.69/21,740.31
  6. Step 6: Final answer
    x = 10,405.96

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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.