Home / 19,051.72-26,304.21-11,892.54

Finding the Fourth Proportional to 19,051.72, 26,304.21 and 11,892.54

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Solution

The fourth proportional to 19,051.72, 26,304.21 and 11,892.54 is: 16,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.72 : 26,304.21 = 11,892.54 : x
  2. Step 2: Convert to fraction form
    19,051.72/26,304.21 = 11,892.54/x
  3. Step 3: Cross multiply
    19,051.72x = 26,304.21 × 11,892.54
  4. Step 4: Simplify right side
    19,051.72x = 312,823,738.07
  5. Step 5: Solve for x
    x = 312,823,738.07/19,051.72
  6. Step 6: Final answer
    x = 16,419.71

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1.5x scale

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.