Home / 14,148.72-19,528.74-8,183.84

Finding the Fourth Proportional to 14,148.72, 19,528.74 and 8,183.84

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Solution

The fourth proportional to 14,148.72, 19,528.74 and 8,183.84 is: 11,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.72 : 19,528.74 = 8,183.84 : x
  2. Step 2: Convert to fraction form
    14,148.72/19,528.74 = 8,183.84/x
  3. Step 3: Cross multiply
    14,148.72x = 19,528.74 × 8,183.84
  4. Step 4: Simplify right side
    14,148.72x = 159,820,083.56
  5. Step 5: Solve for x
    x = 159,820,083.56/14,148.72
  6. Step 6: Final answer
    x = 11,295.73

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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.