Home / 21,500.46-32,262.98-8,351.12

Finding the Fourth Proportional to 21,500.46, 32,262.98 and 8,351.12

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Solution

The fourth proportional to 21,500.46, 32,262.98 and 8,351.12 is: 12,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.46 : 32,262.98 = 8,351.12 : x
  2. Step 2: Convert to fraction form
    21,500.46/32,262.98 = 8,351.12/x
  3. Step 3: Cross multiply
    21,500.46x = 32,262.98 × 8,351.12
  4. Step 4: Simplify right side
    21,500.46x = 269,432,056.44
  5. Step 5: Solve for x
    x = 269,432,056.44/21,500.46
  6. Step 6: Final answer
    x = 12,531.46

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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.