Home / 21,348.35-32,022.51-5,765.96

Finding the Fourth Proportional to 21,348.35, 32,022.51 and 5,765.96

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Solution

The fourth proportional to 21,348.35, 32,022.51 and 5,765.96 is: 8,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.35 : 32,022.51 = 5,765.96 : x
  2. Step 2: Convert to fraction form
    21,348.35/32,022.51 = 5,765.96/x
  3. Step 3: Cross multiply
    21,348.35x = 32,022.51 × 5,765.96
  4. Step 4: Simplify right side
    21,348.35x = 184,640,511.76
  5. Step 5: Solve for x
    x = 184,640,511.76/21,348.35
  6. Step 6: Final answer
    x = 8,648.94

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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.