Home / 18,713.99-25,825.30-10,757.76

Finding the Fourth Proportional to 18,713.99, 25,825.30 and 10,757.76

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Solution

The fourth proportional to 18,713.99, 25,825.30 and 10,757.76 is: 14,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.99 : 25,825.30 = 10,757.76 : x
  2. Step 2: Convert to fraction form
    18,713.99/25,825.30 = 10,757.76/x
  3. Step 3: Cross multiply
    18,713.99x = 25,825.30 × 10,757.76
  4. Step 4: Simplify right side
    18,713.99x = 277,822,352.43
  5. Step 5: Solve for x
    x = 277,822,352.43/18,713.99
  6. Step 6: Final answer
    x = 14,845.71

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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.