Home / 22,138.46-30,550.01-12,066.86

Finding the Fourth Proportional to 22,138.46, 30,550.01 and 12,066.86

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Solution

The fourth proportional to 22,138.46, 30,550.01 and 12,066.86 is: 16,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.46 : 30,550.01 = 12,066.86 : x
  2. Step 2: Convert to fraction form
    22,138.46/30,550.01 = 12,066.86/x
  3. Step 3: Cross multiply
    22,138.46x = 30,550.01 × 12,066.86
  4. Step 4: Simplify right side
    22,138.46x = 368,642,480.58
  5. Step 5: Solve for x
    x = 368,642,480.58/22,138.46
  6. Step 6: Final answer
    x = 16,651.68

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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.