Home / 20,794.22-28,726.38-17,994.86

Finding the Fourth Proportional to 20,794.22, 28,726.38 and 17,994.86

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Solution

The fourth proportional to 20,794.22, 28,726.38 and 17,994.86 is: 24,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.22 : 28,726.38 = 17,994.86 : x
  2. Step 2: Convert to fraction form
    20,794.22/28,726.38 = 17,994.86/x
  3. Step 3: Cross multiply
    20,794.22x = 28,726.38 × 17,994.86
  4. Step 4: Simplify right side
    20,794.22x = 516,927,186.41
  5. Step 5: Solve for x
    x = 516,927,186.41/20,794.22
  6. Step 6: Final answer
    x = 24,859.18

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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.