Home / 13,058.86-19,544.96-11,891.55

Finding the Fourth Proportional to 13,058.86, 19,544.96 and 11,891.55

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Solution

The fourth proportional to 13,058.86, 19,544.96 and 11,891.55 is: 17,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.86 : 19,544.96 = 11,891.55 : x
  2. Step 2: Convert to fraction form
    13,058.86/19,544.96 = 11,891.55/x
  3. Step 3: Cross multiply
    13,058.86x = 19,544.96 × 11,891.55
  4. Step 4: Simplify right side
    13,058.86x = 232,419,898.82
  5. Step 5: Solve for x
    x = 232,419,898.82/13,058.86
  6. Step 6: Final answer
    x = 17,797.87

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1.5x scale

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.