Home / 22,138.02-30,550.20-12,066.43

Finding the Fourth Proportional to 22,138.02, 30,550.20 and 12,066.43

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Solution

The fourth proportional to 22,138.02, 30,550.20 and 12,066.43 is: 16,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.02 : 30,550.20 = 12,066.43 : x
  2. Step 2: Convert to fraction form
    22,138.02/30,550.20 = 12,066.43/x
  3. Step 3: Cross multiply
    22,138.02x = 30,550.20 × 12,066.43
  4. Step 4: Simplify right side
    22,138.02x = 368,631,849.79
  5. Step 5: Solve for x
    x = 368,631,849.79/22,138.02
  6. Step 6: Final answer
    x = 16,651.53

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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.