Home / 18,701.57-28,046.27-6,218.24

Finding the Fourth Proportional to 18,701.57, 28,046.27 and 6,218.24

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Solution

The fourth proportional to 18,701.57, 28,046.27 and 6,218.24 is: 9,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.57 : 28,046.27 = 6,218.24 : x
  2. Step 2: Convert to fraction form
    18,701.57/28,046.27 = 6,218.24/x
  3. Step 3: Cross multiply
    18,701.57x = 28,046.27 × 6,218.24
  4. Step 4: Simplify right side
    18,701.57x = 174,398,313.28
  5. Step 5: Solve for x
    x = 174,398,313.28/18,701.57
  6. Step 6: Final answer
    x = 9,325.33

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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.