Home / 19,209.89-28,770.53-18,544.97

Finding the Fourth Proportional to 19,209.89, 28,770.53 and 18,544.97

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Solution

The fourth proportional to 19,209.89, 28,770.53 and 18,544.97 is: 27,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.89 : 28,770.53 = 18,544.97 : x
  2. Step 2: Convert to fraction form
    19,209.89/28,770.53 = 18,544.97/x
  3. Step 3: Cross multiply
    19,209.89x = 28,770.53 × 18,544.97
  4. Step 4: Simplify right side
    19,209.89x = 533,548,594.94
  5. Step 5: Solve for x
    x = 533,548,594.94/19,209.89
  6. Step 6: Final answer
    x = 27,774.68

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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.