Home / 14,753.94-20,365.66-13,179.30

Finding the Fourth Proportional to 14,753.94, 20,365.66 and 13,179.30

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Solution

The fourth proportional to 14,753.94, 20,365.66 and 13,179.30 is: 18,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.94 : 20,365.66 = 13,179.30 : x
  2. Step 2: Convert to fraction form
    14,753.94/20,365.66 = 13,179.30/x
  3. Step 3: Cross multiply
    14,753.94x = 20,365.66 × 13,179.30
  4. Step 4: Simplify right side
    14,753.94x = 268,405,142.84
  5. Step 5: Solve for x
    x = 268,405,142.84/14,753.94
  6. Step 6: Final answer
    x = 18,192.10

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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.