Home / 18,849.85-28,274.60-5,702.22

Finding the Fourth Proportional to 18,849.85, 28,274.60 and 5,702.22

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Solution

The fourth proportional to 18,849.85, 28,274.60 and 5,702.22 is: 8,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.85 : 28,274.60 = 5,702.22 : x
  2. Step 2: Convert to fraction form
    18,849.85/28,274.60 = 5,702.22/x
  3. Step 3: Cross multiply
    18,849.85x = 28,274.60 × 5,702.22
  4. Step 4: Simplify right side
    18,849.85x = 161,228,003.87
  5. Step 5: Solve for x
    x = 161,228,003.87/18,849.85
  6. Step 6: Final answer
    x = 8,553.28

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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.