Home / 19,740.38-27,241.63-11,676.93

Finding the Fourth Proportional to 19,740.38, 27,241.63 and 11,676.93

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Solution

The fourth proportional to 19,740.38, 27,241.63 and 11,676.93 is: 16,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.38 : 27,241.63 = 11,676.93 : x
  2. Step 2: Convert to fraction form
    19,740.38/27,241.63 = 11,676.93/x
  3. Step 3: Cross multiply
    19,740.38x = 27,241.63 × 11,676.93
  4. Step 4: Simplify right side
    19,740.38x = 318,098,548.21
  5. Step 5: Solve for x
    x = 318,098,548.21/19,740.38
  6. Step 6: Final answer
    x = 16,114.10

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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.