Home / 17,620.74-24,293.09-13,998.80

Finding the Fourth Proportional to 17,620.74, 24,293.09 and 13,998.80

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Solution

The fourth proportional to 17,620.74, 24,293.09 and 13,998.80 is: 19,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.74 : 24,293.09 = 13,998.80 : x
  2. Step 2: Convert to fraction form
    17,620.74/24,293.09 = 13,998.80/x
  3. Step 3: Cross multiply
    17,620.74x = 24,293.09 × 13,998.80
  4. Step 4: Simplify right side
    17,620.74x = 340,074,060.43
  5. Step 5: Solve for x
    x = 340,074,060.43/17,620.74
  6. Step 6: Final answer
    x = 19,299.65

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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.