Home / 18,017.91-27,025.85-4,869.32

Finding the Fourth Proportional to 18,017.91, 27,025.85 and 4,869.32

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Solution

The fourth proportional to 18,017.91, 27,025.85 and 4,869.32 is: 7,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.91 : 27,025.85 = 4,869.32 : x
  2. Step 2: Convert to fraction form
    18,017.91/27,025.85 = 4,869.32/x
  3. Step 3: Cross multiply
    18,017.91x = 27,025.85 × 4,869.32
  4. Step 4: Simplify right side
    18,017.91x = 131,597,388.97
  5. Step 5: Solve for x
    x = 131,597,388.97/18,017.91
  6. Step 6: Final answer
    x = 7,303.70

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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.