Home / 18,025.54-27,038.37-5,545.48

Finding the Fourth Proportional to 18,025.54, 27,038.37 and 5,545.48

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Solution

The fourth proportional to 18,025.54, 27,038.37 and 5,545.48 is: 8,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.54 : 27,038.37 = 5,545.48 : x
  2. Step 2: Convert to fraction form
    18,025.54/27,038.37 = 5,545.48/x
  3. Step 3: Cross multiply
    18,025.54x = 27,038.37 × 5,545.48
  4. Step 4: Simplify right side
    18,025.54x = 149,940,740.07
  5. Step 5: Solve for x
    x = 149,940,740.07/18,025.54
  6. Step 6: Final answer
    x = 8,318.24

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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.