Home / 18,827.67-25,971.39-11,741.79

Finding the Fourth Proportional to 18,827.67, 25,971.39 and 11,741.79

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Solution

The fourth proportional to 18,827.67, 25,971.39 and 11,741.79 is: 16,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.67 : 25,971.39 = 11,741.79 : x
  2. Step 2: Convert to fraction form
    18,827.67/25,971.39 = 11,741.79/x
  3. Step 3: Cross multiply
    18,827.67x = 25,971.39 × 11,741.79
  4. Step 4: Simplify right side
    18,827.67x = 304,950,607.39
  5. Step 5: Solve for x
    x = 304,950,607.39/18,827.67
  6. Step 6: Final answer
    x = 16,196.94

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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.