Home / 19,824.73-29,742.09-13,992.73

Finding the Fourth Proportional to 19,824.73, 29,742.09 and 13,992.73

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Solution

The fourth proportional to 19,824.73, 29,742.09 and 13,992.73 is: 20,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.73 : 29,742.09 = 13,992.73 : x
  2. Step 2: Convert to fraction form
    19,824.73/29,742.09 = 13,992.73/x
  3. Step 3: Cross multiply
    19,824.73x = 29,742.09 × 13,992.73
  4. Step 4: Simplify right side
    19,824.73x = 416,173,035.01
  5. Step 5: Solve for x
    x = 416,173,035.01/19,824.73
  6. Step 6: Final answer
    x = 20,992.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.