Home / 18,740.94-25,863.56-10,243.85

Finding the Fourth Proportional to 18,740.94, 25,863.56 and 10,243.85

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Solution

The fourth proportional to 18,740.94, 25,863.56 and 10,243.85 is: 14,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.94 : 25,863.56 = 10,243.85 : x
  2. Step 2: Convert to fraction form
    18,740.94/25,863.56 = 10,243.85/x
  3. Step 3: Cross multiply
    18,740.94x = 25,863.56 × 10,243.85
  4. Step 4: Simplify right side
    18,740.94x = 264,942,248.57
  5. Step 5: Solve for x
    x = 264,942,248.57/18,740.94
  6. Step 6: Final answer
    x = 14,137.08

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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.