Home / 19,778.94-27,295.02-10,826.55

Finding the Fourth Proportional to 19,778.94, 27,295.02 and 10,826.55

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Solution

The fourth proportional to 19,778.94, 27,295.02 and 10,826.55 is: 14,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.94 : 27,295.02 = 10,826.55 : x
  2. Step 2: Convert to fraction form
    19,778.94/27,295.02 = 10,826.55/x
  3. Step 3: Cross multiply
    19,778.94x = 27,295.02 × 10,826.55
  4. Step 4: Simplify right side
    19,778.94x = 295,510,898.78
  5. Step 5: Solve for x
    x = 295,510,898.78/19,778.94
  6. Step 6: Final answer
    x = 14,940.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.