Home / 14,676.28-20,253.31-7,961.94

Finding the Fourth Proportional to 14,676.28, 20,253.31 and 7,961.94

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Solution

The fourth proportional to 14,676.28, 20,253.31 and 7,961.94 is: 10,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.28 : 20,253.31 = 7,961.94 : x
  2. Step 2: Convert to fraction form
    14,676.28/20,253.31 = 7,961.94/x
  3. Step 3: Cross multiply
    14,676.28x = 20,253.31 × 7,961.94
  4. Step 4: Simplify right side
    14,676.28x = 161,255,619.12
  5. Step 5: Solve for x
    x = 161,255,619.12/14,676.28
  6. Step 6: Final answer
    x = 10,987.50

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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.