Home / 14,148.77-19,523.75-8,179.53

Finding the Fourth Proportional to 14,148.77, 19,523.75 and 8,179.53

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Solution

The fourth proportional to 14,148.77, 19,523.75 and 8,179.53 is: 11,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.77 : 19,523.75 = 8,179.53 : x
  2. Step 2: Convert to fraction form
    14,148.77/19,523.75 = 8,179.53/x
  3. Step 3: Cross multiply
    14,148.77x = 19,523.75 × 8,179.53
  4. Step 4: Simplify right side
    14,148.77x = 159,695,057.94
  5. Step 5: Solve for x
    x = 159,695,057.94/14,148.77
  6. Step 6: Final answer
    x = 11,286.85

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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.