Home / 13,835.49-19,110.99-11,192.87

Finding the Fourth Proportional to 13,835.49, 19,110.99 and 11,192.87

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Solution

The fourth proportional to 13,835.49, 19,110.99 and 11,192.87 is: 15,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.49 : 19,110.99 = 11,192.87 : x
  2. Step 2: Convert to fraction form
    13,835.49/19,110.99 = 11,192.87/x
  3. Step 3: Cross multiply
    13,835.49x = 19,110.99 × 11,192.87
  4. Step 4: Simplify right side
    13,835.49x = 213,906,731.09
  5. Step 5: Solve for x
    x = 213,906,731.09/13,835.49
  6. Step 6: Final answer
    x = 15,460.73

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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.