Home / 14,983.12-20,676.48-8,177.08

Finding the Fourth Proportional to 14,983.12, 20,676.48 and 8,177.08

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Solution

The fourth proportional to 14,983.12, 20,676.48 and 8,177.08 is: 11,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.12 : 20,676.48 = 8,177.08 : x
  2. Step 2: Convert to fraction form
    14,983.12/20,676.48 = 8,177.08/x
  3. Step 3: Cross multiply
    14,983.12x = 20,676.48 × 8,177.08
  4. Step 4: Simplify right side
    14,983.12x = 169,073,231.08
  5. Step 5: Solve for x
    x = 169,073,231.08/14,983.12
  6. Step 6: Final answer
    x = 11,284.25

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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.