Home / 18,406.77-27,607.41-6,717.25

Finding the Fourth Proportional to 18,406.77, 27,607.41 and 6,717.25

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Solution

The fourth proportional to 18,406.77, 27,607.41 and 6,717.25 is: 10,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.77 : 27,607.41 = 6,717.25 : x
  2. Step 2: Convert to fraction form
    18,406.77/27,607.41 = 6,717.25/x
  3. Step 3: Cross multiply
    18,406.77x = 27,607.41 × 6,717.25
  4. Step 4: Simplify right side
    18,406.77x = 185,445,874.82
  5. Step 5: Solve for x
    x = 185,445,874.82/18,406.77
  6. Step 6: Final answer
    x = 10,074.87

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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.