Home / 19,914.54-29,885.37-8,227.68

Finding the Fourth Proportional to 19,914.54, 29,885.37 and 8,227.68

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Solution

The fourth proportional to 19,914.54, 29,885.37 and 8,227.68 is: 12,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.54 : 29,885.37 = 8,227.68 : x
  2. Step 2: Convert to fraction form
    19,914.54/29,885.37 = 8,227.68/x
  3. Step 3: Cross multiply
    19,914.54x = 29,885.37 × 8,227.68
  4. Step 4: Simplify right side
    19,914.54x = 245,887,261.04
  5. Step 5: Solve for x
    x = 245,887,261.04/19,914.54
  6. Step 6: Final answer
    x = 12,347.12

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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.