Home / 14,644.34-20,208.39-8,676.56

Finding the Fourth Proportional to 14,644.34, 20,208.39 and 8,676.56

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Solution

The fourth proportional to 14,644.34, 20,208.39 and 8,676.56 is: 11,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.34 : 20,208.39 = 8,676.56 : x
  2. Step 2: Convert to fraction form
    14,644.34/20,208.39 = 8,676.56/x
  3. Step 3: Cross multiply
    14,644.34x = 20,208.39 × 8,676.56
  4. Step 4: Simplify right side
    14,644.34x = 175,339,308.34
  5. Step 5: Solve for x
    x = 175,339,308.34/14,644.34
  6. Step 6: Final answer
    x = 11,973.18

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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.