Home / 25,943.75-38,920.49-12,092.75

Finding the Fourth Proportional to 25,943.75, 38,920.49 and 12,092.75

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Solution

The fourth proportional to 25,943.75, 38,920.49 and 12,092.75 is: 18,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.75 : 38,920.49 = 12,092.75 : x
  2. Step 2: Convert to fraction form
    25,943.75/38,920.49 = 12,092.75/x
  3. Step 3: Cross multiply
    25,943.75x = 38,920.49 × 12,092.75
  4. Step 4: Simplify right side
    25,943.75x = 470,655,755.45
  5. Step 5: Solve for x
    x = 470,655,755.45/25,943.75
  6. Step 6: Final answer
    x = 18,141.39

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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.