Home / 18,677.41-25,775.19-10,179.49

Finding the Fourth Proportional to 18,677.41, 25,775.19 and 10,179.49

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Solution

The fourth proportional to 18,677.41, 25,775.19 and 10,179.49 is: 14,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.41 : 25,775.19 = 10,179.49 : x
  2. Step 2: Convert to fraction form
    18,677.41/25,775.19 = 10,179.49/x
  3. Step 3: Cross multiply
    18,677.41x = 25,775.19 × 10,179.49
  4. Step 4: Simplify right side
    18,677.41x = 262,378,288.85
  5. Step 5: Solve for x
    x = 262,378,288.85/18,677.41
  6. Step 6: Final answer
    x = 14,047.89

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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.