Home / 16,845.11-25,256.40-11,851.57

Finding the Fourth Proportional to 16,845.11, 25,256.40 and 11,851.57

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Solution

The fourth proportional to 16,845.11, 25,256.40 and 11,851.57 is: 17,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.11 : 25,256.40 = 11,851.57 : x
  2. Step 2: Convert to fraction form
    16,845.11/25,256.40 = 11,851.57/x
  3. Step 3: Cross multiply
    16,845.11x = 25,256.40 × 11,851.57
  4. Step 4: Simplify right side
    16,845.11x = 299,327,992.55
  5. Step 5: Solve for x
    x = 299,327,992.55/16,845.11
  6. Step 6: Final answer
    x = 17,769.43

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1.5x scale

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.