Home / 19,767.89-27,277.00-11,808.43

Finding the Fourth Proportional to 19,767.89, 27,277.00 and 11,808.43

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Solution

The fourth proportional to 19,767.89, 27,277.00 and 11,808.43 is: 16,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.89 : 27,277.00 = 11,808.43 : x
  2. Step 2: Convert to fraction form
    19,767.89/27,277.00 = 11,808.43/x
  3. Step 3: Cross multiply
    19,767.89x = 27,277.00 × 11,808.43
  4. Step 4: Simplify right side
    19,767.89x = 322,098,447.40
  5. Step 5: Solve for x
    x = 322,098,447.40/19,767.89
  6. Step 6: Final answer
    x = 16,294.02

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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.