Home / 21,702.84-32,556.66-6,906.60

Finding the Fourth Proportional to 21,702.84, 32,556.66 and 6,906.60

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Solution

The fourth proportional to 21,702.84, 32,556.66 and 6,906.60 is: 10,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.84 : 32,556.66 = 6,906.60 : x
  2. Step 2: Convert to fraction form
    21,702.84/32,556.66 = 6,906.60/x
  3. Step 3: Cross multiply
    21,702.84x = 32,556.66 × 6,906.60
  4. Step 4: Simplify right side
    21,702.84x = 224,855,827.96
  5. Step 5: Solve for x
    x = 224,855,827.96/21,702.84
  6. Step 6: Final answer
    x = 10,360.66

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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.