Home / 20,193.41-27,851.15-13,823.78

Finding the Fourth Proportional to 20,193.41, 27,851.15 and 13,823.78

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Solution

The fourth proportional to 20,193.41, 27,851.15 and 13,823.78 is: 19,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.41 : 27,851.15 = 13,823.78 : x
  2. Step 2: Convert to fraction form
    20,193.41/27,851.15 = 13,823.78/x
  3. Step 3: Cross multiply
    20,193.41x = 27,851.15 × 13,823.78
  4. Step 4: Simplify right side
    20,193.41x = 385,007,961.97
  5. Step 5: Solve for x
    x = 385,007,961.97/20,193.41
  6. Step 6: Final answer
    x = 19,066.02

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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.