Home / 13,892.01-19,171.09-8,227.07

Finding the Fourth Proportional to 13,892.01, 19,171.09 and 8,227.07

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Solution

The fourth proportional to 13,892.01, 19,171.09 and 8,227.07 is: 11,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.01 : 19,171.09 = 8,227.07 : x
  2. Step 2: Convert to fraction form
    13,892.01/19,171.09 = 8,227.07/x
  3. Step 3: Cross multiply
    13,892.01x = 19,171.09 × 8,227.07
  4. Step 4: Simplify right side
    13,892.01x = 157,721,899.41
  5. Step 5: Solve for x
    x = 157,721,899.41/13,892.01
  6. Step 6: Final answer
    x = 11,353.43

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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.