Home / 25,771.85-38,833.36-21,194.41

Finding the Fourth Proportional to 25,771.85, 38,833.36 and 21,194.41

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Solution

The fourth proportional to 25,771.85, 38,833.36 and 21,194.41 is: 31,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.85 : 38,833.36 = 21,194.41 : x
  2. Step 2: Convert to fraction form
    25,771.85/38,833.36 = 21,194.41/x
  3. Step 3: Cross multiply
    25,771.85x = 38,833.36 × 21,194.41
  4. Step 4: Simplify right side
    25,771.85x = 823,050,153.52
  5. Step 5: Solve for x
    x = 823,050,153.52/25,771.85
  6. Step 6: Final answer
    x = 31,936.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.