Home / 14,581.96-20,122.92-8,208.52

Finding the Fourth Proportional to 14,581.96, 20,122.92 and 8,208.52

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Solution

The fourth proportional to 14,581.96, 20,122.92 and 8,208.52 is: 11,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.96 : 20,122.92 = 8,208.52 : x
  2. Step 2: Convert to fraction form
    14,581.96/20,122.92 = 8,208.52/x
  3. Step 3: Cross multiply
    14,581.96x = 20,122.92 × 8,208.52
  4. Step 4: Simplify right side
    14,581.96x = 165,179,391.28
  5. Step 5: Solve for x
    x = 165,179,391.28/14,581.96
  6. Step 6: Final answer
    x = 11,327.65

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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.