Home / 21,732.20-32,622.60-16,823.60

Finding the Fourth Proportional to 21,732.20, 32,622.60 and 16,823.60

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Solution

The fourth proportional to 21,732.20, 32,622.60 and 16,823.60 is: 25,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.20 : 32,622.60 = 16,823.60 : x
  2. Step 2: Convert to fraction form
    21,732.20/32,622.60 = 16,823.60/x
  3. Step 3: Cross multiply
    21,732.20x = 32,622.60 × 16,823.60
  4. Step 4: Simplify right side
    21,732.20x = 548,829,573.36
  5. Step 5: Solve for x
    x = 548,829,573.36/21,732.20
  6. Step 6: Final answer
    x = 25,254.21

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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.