Home / 14,465.27-19,962-8,091.86

Finding the Fourth Proportional to 14,465.27, 19,962 and 8,091.86

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Solution

The fourth proportional to 14,465.27, 19,962 and 8,091.86 is: 11,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.27 : 19,962 = 8,091.86 : x
  2. Step 2: Convert to fraction form
    14,465.27/19,962 = 8,091.86/x
  3. Step 3: Cross multiply
    14,465.27x = 19,962 × 8,091.86
  4. Step 4: Simplify right side
    14,465.27x = 161,529,609.51
  5. Step 5: Solve for x
    x = 161,529,609.51/14,465.27
  6. Step 6: Final answer
    x = 11,166.72

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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.