Home / 13,712.10-18,922.82-8,046.93

Finding the Fourth Proportional to 13,712.10, 18,922.82 and 8,046.93

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Solution

The fourth proportional to 13,712.10, 18,922.82 and 8,046.93 is: 11,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.10 : 18,922.82 = 8,046.93 : x
  2. Step 2: Convert to fraction form
    13,712.10/18,922.82 = 8,046.93/x
  3. Step 3: Cross multiply
    13,712.10x = 18,922.82 × 8,046.93
  4. Step 4: Simplify right side
    13,712.10x = 152,270,607.94
  5. Step 5: Solve for x
    x = 152,270,607.94/13,712.10
  6. Step 6: Final answer
    x = 11,104.83

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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.