Home / 19,259.85-26,564.39-12,179.43

Finding the Fourth Proportional to 19,259.85, 26,564.39 and 12,179.43

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Solution

The fourth proportional to 19,259.85, 26,564.39 and 12,179.43 is: 16,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.85 : 26,564.39 = 12,179.43 : x
  2. Step 2: Convert to fraction form
    19,259.85/26,564.39 = 12,179.43/x
  3. Step 3: Cross multiply
    19,259.85x = 26,564.39 × 12,179.43
  4. Step 4: Simplify right side
    19,259.85x = 323,539,067.60
  5. Step 5: Solve for x
    x = 323,539,067.60/19,259.85
  6. Step 6: Final answer
    x = 16,798.63

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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.