Home / 14,983.28-20,676.48-8,695.34

Finding the Fourth Proportional to 14,983.28, 20,676.48 and 8,695.34

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Solution

The fourth proportional to 14,983.28, 20,676.48 and 8,695.34 is: 11,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.28 : 20,676.48 = 8,695.34 : x
  2. Step 2: Convert to fraction form
    14,983.28/20,676.48 = 8,695.34/x
  3. Step 3: Cross multiply
    14,983.28x = 20,676.48 × 8,695.34
  4. Step 4: Simplify right side
    14,983.28x = 179,789,023.60
  5. Step 5: Solve for x
    x = 179,789,023.60/14,983.28
  6. Step 6: Final answer
    x = 11,999.31

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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.