Home / 18,160.94-27,231.49-5,677.63

Finding the Fourth Proportional to 18,160.94, 27,231.49 and 5,677.63

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Solution

The fourth proportional to 18,160.94, 27,231.49 and 5,677.63 is: 8,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.94 : 27,231.49 = 5,677.63 : x
  2. Step 2: Convert to fraction form
    18,160.94/27,231.49 = 5,677.63/x
  3. Step 3: Cross multiply
    18,160.94x = 27,231.49 × 5,677.63
  4. Step 4: Simplify right side
    18,160.94x = 154,610,263.59
  5. Step 5: Solve for x
    x = 154,610,263.59/18,160.94
  6. Step 6: Final answer
    x = 8,513.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.