Home / 18,025.98-27,036.84-5,545.98

Finding the Fourth Proportional to 18,025.98, 27,036.84 and 5,545.98

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Solution

The fourth proportional to 18,025.98, 27,036.84 and 5,545.98 is: 8,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.98 : 27,036.84 = 5,545.98 : x
  2. Step 2: Convert to fraction form
    18,025.98/27,036.84 = 5,545.98/x
  3. Step 3: Cross multiply
    18,025.98x = 27,036.84 × 5,545.98
  4. Step 4: Simplify right side
    18,025.98x = 149,945,773.90
  5. Step 5: Solve for x
    x = 149,945,773.90/18,025.98
  6. Step 6: Final answer
    x = 8,318.31

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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.