Home / 18,607.38-25,677.84-10,540.99

Finding the Fourth Proportional to 18,607.38, 25,677.84 and 10,540.99

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Solution

The fourth proportional to 18,607.38, 25,677.84 and 10,540.99 is: 14,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.38 : 25,677.84 = 10,540.99 : x
  2. Step 2: Convert to fraction form
    18,607.38/25,677.84 = 10,540.99/x
  3. Step 3: Cross multiply
    18,607.38x = 25,677.84 × 10,540.99
  4. Step 4: Simplify right side
    18,607.38x = 270,669,854.66
  5. Step 5: Solve for x
    x = 270,669,854.66/18,607.38
  6. Step 6: Final answer
    x = 14,546.37

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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.