Home / 14,078.18-21,110.45-5,754.89

Finding the Fourth Proportional to 14,078.18, 21,110.45 and 5,754.89

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Solution

The fourth proportional to 14,078.18, 21,110.45 and 5,754.89 is: 8,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.18 : 21,110.45 = 5,754.89 : x
  2. Step 2: Convert to fraction form
    14,078.18/21,110.45 = 5,754.89/x
  3. Step 3: Cross multiply
    14,078.18x = 21,110.45 × 5,754.89
  4. Step 4: Simplify right side
    14,078.18x = 121,488,183.27
  5. Step 5: Solve for x
    x = 121,488,183.27/14,078.18
  6. Step 6: Final answer
    x = 8,629.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.