Home / 18,981.24-28,471.15-5,833.27

Finding the Fourth Proportional to 18,981.24, 28,471.15 and 5,833.27

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Solution

The fourth proportional to 18,981.24, 28,471.15 and 5,833.27 is: 8,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.24 : 28,471.15 = 5,833.27 : x
  2. Step 2: Convert to fraction form
    18,981.24/28,471.15 = 5,833.27/x
  3. Step 3: Cross multiply
    18,981.24x = 28,471.15 × 5,833.27
  4. Step 4: Simplify right side
    18,981.24x = 166,079,755.08
  5. Step 5: Solve for x
    x = 166,079,755.08/18,981.24
  6. Step 6: Final answer
    x = 8,749.68

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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.