Home / 19,126.54-28,687.53-5,087.59

Finding the Fourth Proportional to 19,126.54, 28,687.53 and 5,087.59

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Solution

The fourth proportional to 19,126.54, 28,687.53 and 5,087.59 is: 7,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.54 : 28,687.53 = 5,087.59 : x
  2. Step 2: Convert to fraction form
    19,126.54/28,687.53 = 5,087.59/x
  3. Step 3: Cross multiply
    19,126.54x = 28,687.53 × 5,087.59
  4. Step 4: Simplify right side
    19,126.54x = 145,950,456.55
  5. Step 5: Solve for x
    x = 145,950,456.55/19,126.54
  6. Step 6: Final answer
    x = 7,630.78

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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.