Home / 20,074.54-27,701.13-12,113.86

Finding the Fourth Proportional to 20,074.54, 27,701.13 and 12,113.86

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Solution

The fourth proportional to 20,074.54, 27,701.13 and 12,113.86 is: 16,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.54 : 27,701.13 = 12,113.86 : x
  2. Step 2: Convert to fraction form
    20,074.54/27,701.13 = 12,113.86/x
  3. Step 3: Cross multiply
    20,074.54x = 27,701.13 × 12,113.86
  4. Step 4: Simplify right side
    20,074.54x = 335,567,610.66
  5. Step 5: Solve for x
    x = 335,567,610.66/20,074.54
  6. Step 6: Final answer
    x = 16,716.08

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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.