Home / 14,369.50-19,832.34-8,318.86

Finding the Fourth Proportional to 14,369.50, 19,832.34 and 8,318.86

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Solution

The fourth proportional to 14,369.50, 19,832.34 and 8,318.86 is: 11,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.50 : 19,832.34 = 8,318.86 : x
  2. Step 2: Convert to fraction form
    14,369.50/19,832.34 = 8,318.86/x
  3. Step 3: Cross multiply
    14,369.50x = 19,832.34 × 8,318.86
  4. Step 4: Simplify right side
    14,369.50x = 164,982,459.93
  5. Step 5: Solve for x
    x = 164,982,459.93/14,369.50
  6. Step 6: Final answer
    x = 11,481.43

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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.