Home / 19,351.90-26,708.09-11,394.87

Finding the Fourth Proportional to 19,351.90, 26,708.09 and 11,394.87

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Solution

The fourth proportional to 19,351.90, 26,708.09 and 11,394.87 is: 15,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.90 : 26,708.09 = 11,394.87 : x
  2. Step 2: Convert to fraction form
    19,351.90/26,708.09 = 11,394.87/x
  3. Step 3: Cross multiply
    19,351.90x = 26,708.09 × 11,394.87
  4. Step 4: Simplify right side
    19,351.90x = 304,335,213.50
  5. Step 5: Solve for x
    x = 304,335,213.50/19,351.90
  6. Step 6: Final answer
    x = 15,726.37

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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.