Home / 18,846.45-28,269.27-5,699.88

Finding the Fourth Proportional to 18,846.45, 28,269.27 and 5,699.88

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Solution

The fourth proportional to 18,846.45, 28,269.27 and 5,699.88 is: 8,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.45 : 28,269.27 = 5,699.88 : x
  2. Step 2: Convert to fraction form
    18,846.45/28,269.27 = 5,699.88/x
  3. Step 3: Cross multiply
    18,846.45x = 28,269.27 × 5,699.88
  4. Step 4: Simplify right side
    18,846.45x = 161,131,446.69
  5. Step 5: Solve for x
    x = 161,131,446.69/18,846.45
  6. Step 6: Final answer
    x = 8,549.70

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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.