Home / 21,573.22-32,354.96-8,418.82

Finding the Fourth Proportional to 21,573.22, 32,354.96 and 8,418.82

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Solution

The fourth proportional to 21,573.22, 32,354.96 and 8,418.82 is: 12,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.22 : 32,354.96 = 8,418.82 : x
  2. Step 2: Convert to fraction form
    21,573.22/32,354.96 = 8,418.82/x
  3. Step 3: Cross multiply
    21,573.22x = 32,354.96 × 8,418.82
  4. Step 4: Simplify right side
    21,573.22x = 272,390,584.35
  5. Step 5: Solve for x
    x = 272,390,584.35/21,573.22
  6. Step 6: Final answer
    x = 12,626.33

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1.5x scale

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.