Home / 18,847.17-28,270.44-5,699.66

Finding the Fourth Proportional to 18,847.17, 28,270.44 and 5,699.66

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Solution

The fourth proportional to 18,847.17, 28,270.44 and 5,699.66 is: 8,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.17 : 28,270.44 = 5,699.66 : x
  2. Step 2: Convert to fraction form
    18,847.17/28,270.44 = 5,699.66/x
  3. Step 3: Cross multiply
    18,847.17x = 28,270.44 × 5,699.66
  4. Step 4: Simplify right side
    18,847.17x = 161,131,754.70
  5. Step 5: Solve for x
    x = 161,131,754.70/18,847.17
  6. Step 6: Final answer
    x = 8,549.39

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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.