Home / 19,611.12-27,060.30-11,226

Finding the Fourth Proportional to 19,611.12, 27,060.30 and 11,226

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Solution

The fourth proportional to 19,611.12, 27,060.30 and 11,226 is: 15,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.12 : 27,060.30 = 11,226 : x
  2. Step 2: Convert to fraction form
    19,611.12/27,060.30 = 11,226/x
  3. Step 3: Cross multiply
    19,611.12x = 27,060.30 × 11,226
  4. Step 4: Simplify right side
    19,611.12x = 303,778,927.80
  5. Step 5: Solve for x
    x = 303,778,927.80/19,611.12
  6. Step 6: Final answer
    x = 15,490.14

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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.