Home / 18,155.18-27,232.79-5,675.27

Finding the Fourth Proportional to 18,155.18, 27,232.79 and 5,675.27

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Solution

The fourth proportional to 18,155.18, 27,232.79 and 5,675.27 is: 8,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.18 : 27,232.79 = 5,675.27 : x
  2. Step 2: Convert to fraction form
    18,155.18/27,232.79 = 5,675.27/x
  3. Step 3: Cross multiply
    18,155.18x = 27,232.79 × 5,675.27
  4. Step 4: Simplify right side
    18,155.18x = 154,553,436.10
  5. Step 5: Solve for x
    x = 154,553,436.10/18,155.18
  6. Step 6: Final answer
    x = 8,512.91

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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.