Home / 20,282.09-30,373.46-16,750.49

Finding the Fourth Proportional to 20,282.09, 30,373.46 and 16,750.49

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Solution

The fourth proportional to 20,282.09, 30,373.46 and 16,750.49 is: 25,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.09 : 30,373.46 = 16,750.49 : x
  2. Step 2: Convert to fraction form
    20,282.09/30,373.46 = 16,750.49/x
  3. Step 3: Cross multiply
    20,282.09x = 30,373.46 × 16,750.49
  4. Step 4: Simplify right side
    20,282.09x = 508,770,254.24
  5. Step 5: Solve for x
    x = 508,770,254.24/20,282.09
  6. Step 6: Final answer
    x = 25,084.71

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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.