Home / 21,941.40-32,922.90-16,674.60

Finding the Fourth Proportional to 21,941.40, 32,922.90 and 16,674.60

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Solution

The fourth proportional to 21,941.40, 32,922.90 and 16,674.60 is: 25,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,941.40 : 32,922.90 = 16,674.60 : x
  2. Step 2: Convert to fraction form
    21,941.40/32,922.90 = 16,674.60/x
  3. Step 3: Cross multiply
    21,941.40x = 32,922.90 × 16,674.60
  4. Step 4: Simplify right side
    21,941.40x = 548,976,188.34
  5. Step 5: Solve for x
    x = 548,976,188.34/21,941.40
  6. Step 6: Final answer
    x = 25,020.11

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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.