Home / 14,676.09-20,252.89-7,961.69

Finding the Fourth Proportional to 14,676.09, 20,252.89 and 7,961.69

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Solution

The fourth proportional to 14,676.09, 20,252.89 and 7,961.69 is: 10,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.09 : 20,252.89 = 7,961.69 : x
  2. Step 2: Convert to fraction form
    14,676.09/20,252.89 = 7,961.69/x
  3. Step 3: Cross multiply
    14,676.09x = 20,252.89 × 7,961.69
  4. Step 4: Simplify right side
    14,676.09x = 161,247,247.58
  5. Step 5: Solve for x
    x = 161,247,247.58/14,676.09
  6. Step 6: Final answer
    x = 10,987.07

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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.