Home / 19,134.72-26,400.96-11,175.84

Finding the Fourth Proportional to 19,134.72, 26,400.96 and 11,175.84

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Solution

The fourth proportional to 19,134.72, 26,400.96 and 11,175.84 is: 15,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.72 : 26,400.96 = 11,175.84 : x
  2. Step 2: Convert to fraction form
    19,134.72/26,400.96 = 11,175.84/x
  3. Step 3: Cross multiply
    19,134.72x = 26,400.96 × 11,175.84
  4. Step 4: Simplify right side
    19,134.72x = 295,052,904.81
  5. Step 5: Solve for x
    x = 295,052,904.81/19,134.72
  6. Step 6: Final answer
    x = 15,419.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.