Home / 19,177.84-28,770.68-8,084.53

Finding the Fourth Proportional to 19,177.84, 28,770.68 and 8,084.53

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Solution

The fourth proportional to 19,177.84, 28,770.68 and 8,084.53 is: 12,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.84 : 28,770.68 = 8,084.53 : x
  2. Step 2: Convert to fraction form
    19,177.84/28,770.68 = 8,084.53/x
  3. Step 3: Cross multiply
    19,177.84x = 28,770.68 × 8,084.53
  4. Step 4: Simplify right side
    19,177.84x = 232,597,241.30
  5. Step 5: Solve for x
    x = 232,597,241.30/19,177.84
  6. Step 6: Final answer
    x = 12,128.44

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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.