Home / 19,894.14-27,451.80-11,824.92

Finding the Fourth Proportional to 19,894.14, 27,451.80 and 11,824.92

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Solution

The fourth proportional to 19,894.14, 27,451.80 and 11,824.92 is: 16,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.14 : 27,451.80 = 11,824.92 : x
  2. Step 2: Convert to fraction form
    19,894.14/27,451.80 = 11,824.92/x
  3. Step 3: Cross multiply
    19,894.14x = 27,451.80 × 11,824.92
  4. Step 4: Simplify right side
    19,894.14x = 324,615,338.86
  5. Step 5: Solve for x
    x = 324,615,338.86/19,894.14
  6. Step 6: Final answer
    x = 16,317.13

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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.