Home / 13,992.09-19,310.75-8,023.74

Finding the Fourth Proportional to 13,992.09, 19,310.75 and 8,023.74

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Solution

The fourth proportional to 13,992.09, 19,310.75 and 8,023.74 is: 11,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.09 : 19,310.75 = 8,023.74 : x
  2. Step 2: Convert to fraction form
    13,992.09/19,310.75 = 8,023.74/x
  3. Step 3: Cross multiply
    13,992.09x = 19,310.75 × 8,023.74
  4. Step 4: Simplify right side
    13,992.09x = 154,944,300.53
  5. Step 5: Solve for x
    x = 154,944,300.53/13,992.09
  6. Step 6: Final answer
    x = 11,073.71

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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.