Home / 18,310.20-25,264.35-10,757.76

Finding the Fourth Proportional to 18,310.20, 25,264.35 and 10,757.76

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Solution

The fourth proportional to 18,310.20, 25,264.35 and 10,757.76 is: 14,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.20 : 25,264.35 = 10,757.76 : x
  2. Step 2: Convert to fraction form
    18,310.20/25,264.35 = 10,757.76/x
  3. Step 3: Cross multiply
    18,310.20x = 25,264.35 × 10,757.76
  4. Step 4: Simplify right side
    18,310.20x = 271,787,813.86
  5. Step 5: Solve for x
    x = 271,787,813.86/18,310.20
  6. Step 6: Final answer
    x = 14,843.52

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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.