Home / 19,171.88-26,453.14-11,212.51

Finding the Fourth Proportional to 19,171.88, 26,453.14 and 11,212.51

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Solution

The fourth proportional to 19,171.88, 26,453.14 and 11,212.51 is: 15,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.88 : 26,453.14 = 11,212.51 : x
  2. Step 2: Convert to fraction form
    19,171.88/26,453.14 = 11,212.51/x
  3. Step 3: Cross multiply
    19,171.88x = 26,453.14 × 11,212.51
  4. Step 4: Simplify right side
    19,171.88x = 296,606,096.78
  5. Step 5: Solve for x
    x = 296,606,096.78/19,171.88
  6. Step 6: Final answer
    x = 15,470.89

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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.