Home / 14,949.96-20,630.38-8,984.92

Finding the Fourth Proportional to 14,949.96, 20,630.38 and 8,984.92

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Solution

The fourth proportional to 14,949.96, 20,630.38 and 8,984.92 is: 12,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.96 : 20,630.38 = 8,984.92 : x
  2. Step 2: Convert to fraction form
    14,949.96/20,630.38 = 8,984.92/x
  3. Step 3: Cross multiply
    14,949.96x = 20,630.38 × 8,984.92
  4. Step 4: Simplify right side
    14,949.96x = 185,362,313.87
  5. Step 5: Solve for x
    x = 185,362,313.87/14,949.96
  6. Step 6: Final answer
    x = 12,398.85

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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.