Home / 22,826.20-34,190.70-18,938.20

Finding the Fourth Proportional to 22,826.20, 34,190.70 and 18,938.20

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Solution

The fourth proportional to 22,826.20, 34,190.70 and 18,938.20 is: 28,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,826.20 : 34,190.70 = 18,938.20 : x
  2. Step 2: Convert to fraction form
    22,826.20/34,190.70 = 18,938.20/x
  3. Step 3: Cross multiply
    22,826.20x = 34,190.70 × 18,938.20
  4. Step 4: Simplify right side
    22,826.20x = 647,510,314.74
  5. Step 5: Solve for x
    x = 647,510,314.74/22,826.20
  6. Step 6: Final answer
    x = 28,366.98

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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.