Home / 17,867.05-26,795.09-12,355.81

Finding the Fourth Proportional to 17,867.05, 26,795.09 and 12,355.81

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Solution

The fourth proportional to 17,867.05, 26,795.09 and 12,355.81 is: 18,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.05 : 26,795.09 = 12,355.81 : x
  2. Step 2: Convert to fraction form
    17,867.05/26,795.09 = 12,355.81/x
  3. Step 3: Cross multiply
    17,867.05x = 26,795.09 × 12,355.81
  4. Step 4: Simplify right side
    17,867.05x = 331,074,912.21
  5. Step 5: Solve for x
    x = 331,074,912.21/17,867.05
  6. Step 6: Final answer
    x = 18,529.92

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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.