Home / 26,180.10-39,273.39-8,411.94

Finding the Fourth Proportional to 26,180.10, 39,273.39 and 8,411.94

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Solution

The fourth proportional to 26,180.10, 39,273.39 and 8,411.94 is: 12,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.10 : 39,273.39 = 8,411.94 : x
  2. Step 2: Convert to fraction form
    26,180.10/39,273.39 = 8,411.94/x
  3. Step 3: Cross multiply
    26,180.10x = 39,273.39 × 8,411.94
  4. Step 4: Simplify right side
    26,180.10x = 330,365,400.28
  5. Step 5: Solve for x
    x = 330,365,400.28/26,180.10
  6. Step 6: Final answer
    x = 12,618.95

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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.