Home / 14,892.46-20,550.31-8,178.10

Finding the Fourth Proportional to 14,892.46, 20,550.31 and 8,178.10

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Solution

The fourth proportional to 14,892.46, 20,550.31 and 8,178.10 is: 11,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.46 : 20,550.31 = 8,178.10 : x
  2. Step 2: Convert to fraction form
    14,892.46/20,550.31 = 8,178.10/x
  3. Step 3: Cross multiply
    14,892.46x = 20,550.31 × 8,178.10
  4. Step 4: Simplify right side
    14,892.46x = 168,062,418.39
  5. Step 5: Solve for x
    x = 168,062,418.39/14,892.46
  6. Step 6: Final answer
    x = 11,285.07

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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.