Home / 20,074.97-27,708.06-13,360.88

Finding the Fourth Proportional to 20,074.97, 27,708.06 and 13,360.88

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Solution

The fourth proportional to 20,074.97, 27,708.06 and 13,360.88 is: 18,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.97 : 27,708.06 = 13,360.88 : x
  2. Step 2: Convert to fraction form
    20,074.97/27,708.06 = 13,360.88/x
  3. Step 3: Cross multiply
    20,074.97x = 27,708.06 × 13,360.88
  4. Step 4: Simplify right side
    20,074.97x = 370,204,064.69
  5. Step 5: Solve for x
    x = 370,204,064.69/20,074.97
  6. Step 6: Final answer
    x = 18,441.08

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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.