Home / 18,826.92-28,233.18-5,675.40

Finding the Fourth Proportional to 18,826.92, 28,233.18 and 5,675.40

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Solution

The fourth proportional to 18,826.92, 28,233.18 and 5,675.40 is: 8,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.92 : 28,233.18 = 5,675.40 : x
  2. Step 2: Convert to fraction form
    18,826.92/28,233.18 = 5,675.40/x
  3. Step 3: Cross multiply
    18,826.92x = 28,233.18 × 5,675.40
  4. Step 4: Simplify right side
    18,826.92x = 160,234,589.77
  5. Step 5: Solve for x
    x = 160,234,589.77/18,826.92
  6. Step 6: Final answer
    x = 8,510.93

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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.