Home / 26,855.15-40,283.33-7,135.70

Finding the Fourth Proportional to 26,855.15, 40,283.33 and 7,135.70

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Solution

The fourth proportional to 26,855.15, 40,283.33 and 7,135.70 is: 10,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.15 : 40,283.33 = 7,135.70 : x
  2. Step 2: Convert to fraction form
    26,855.15/40,283.33 = 7,135.70/x
  3. Step 3: Cross multiply
    26,855.15x = 40,283.33 × 7,135.70
  4. Step 4: Simplify right side
    26,855.15x = 287,449,520.79
  5. Step 5: Solve for x
    x = 287,449,520.79/26,855.15
  6. Step 6: Final answer
    x = 10,703.70

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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.