Home / 18,333.16-27,461.45-11,725.79

Finding the Fourth Proportional to 18,333.16, 27,461.45 and 11,725.79

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Solution

The fourth proportional to 18,333.16, 27,461.45 and 11,725.79 is: 17,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.16 : 27,461.45 = 11,725.79 : x
  2. Step 2: Convert to fraction form
    18,333.16/27,461.45 = 11,725.79/x
  3. Step 3: Cross multiply
    18,333.16x = 27,461.45 × 11,725.79
  4. Step 4: Simplify right side
    18,333.16x = 322,007,087.80
  5. Step 5: Solve for x
    x = 322,007,087.80/18,333.16
  6. Step 6: Final answer
    x = 17,564.19

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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.