Home / 26,491.61-39,738.71-9,847.75

Finding the Fourth Proportional to 26,491.61, 39,738.71 and 9,847.75

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Solution

The fourth proportional to 26,491.61, 39,738.71 and 9,847.75 is: 14,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.61 : 39,738.71 = 9,847.75 : x
  2. Step 2: Convert to fraction form
    26,491.61/39,738.71 = 9,847.75/x
  3. Step 3: Cross multiply
    26,491.61x = 39,738.71 × 9,847.75
  4. Step 4: Simplify right side
    26,491.61x = 391,336,747.95
  5. Step 5: Solve for x
    x = 391,336,747.95/26,491.61
  6. Step 6: Final answer
    x = 14,772.10

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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.