Home / 14,912.08-20,579.76-8,943.62

Finding the Fourth Proportional to 14,912.08, 20,579.76 and 8,943.62

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Solution

The fourth proportional to 14,912.08, 20,579.76 and 8,943.62 is: 12,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.08 : 20,579.76 = 8,943.62 : x
  2. Step 2: Convert to fraction form
    14,912.08/20,579.76 = 8,943.62/x
  3. Step 3: Cross multiply
    14,912.08x = 20,579.76 × 8,943.62
  4. Step 4: Simplify right side
    14,912.08x = 184,057,553.13
  5. Step 5: Solve for x
    x = 184,057,553.13/14,912.08
  6. Step 6: Final answer
    x = 12,342.85

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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.