Home / 18,212.36-27,331.50-14,056.52

Finding the Fourth Proportional to 18,212.36, 27,331.50 and 14,056.52

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Solution

The fourth proportional to 18,212.36, 27,331.50 and 14,056.52 is: 21,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.36 : 27,331.50 = 14,056.52 : x
  2. Step 2: Convert to fraction form
    18,212.36/27,331.50 = 14,056.52/x
  3. Step 3: Cross multiply
    18,212.36x = 27,331.50 × 14,056.52
  4. Step 4: Simplify right side
    18,212.36x = 384,185,776.38
  5. Step 5: Solve for x
    x = 384,185,776.38/18,212.36
  6. Step 6: Final answer
    x = 21,094.78

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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.