Home / 25,259.31-37,896.39-12,122.73

Finding the Fourth Proportional to 25,259.31, 37,896.39 and 12,122.73

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Solution

The fourth proportional to 25,259.31, 37,896.39 and 12,122.73 is: 18,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.31 : 37,896.39 = 12,122.73 : x
  2. Step 2: Convert to fraction form
    25,259.31/37,896.39 = 12,122.73/x
  3. Step 3: Cross multiply
    25,259.31x = 37,896.39 × 12,122.73
  4. Step 4: Simplify right side
    25,259.31x = 459,407,703.94
  5. Step 5: Solve for x
    x = 459,407,703.94/25,259.31
  6. Step 6: Final answer
    x = 18,187.66

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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.