Home / 21,983.80-32,975.70-14,110.60

Finding the Fourth Proportional to 21,983.80, 32,975.70 and 14,110.60

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Solution

The fourth proportional to 21,983.80, 32,975.70 and 14,110.60 is: 21,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.80 : 32,975.70 = 14,110.60 : x
  2. Step 2: Convert to fraction form
    21,983.80/32,975.70 = 14,110.60/x
  3. Step 3: Cross multiply
    21,983.80x = 32,975.70 × 14,110.60
  4. Step 4: Simplify right side
    21,983.80x = 465,306,912.42
  5. Step 5: Solve for x
    x = 465,306,912.42/21,983.80
  6. Step 6: Final answer
    x = 21,165.90

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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.