Home / 22,138.34-30,550.02-12,066.57

Finding the Fourth Proportional to 22,138.34, 30,550.02 and 12,066.57

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Solution

The fourth proportional to 22,138.34, 30,550.02 and 12,066.57 is: 16,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.34 : 30,550.02 = 12,066.57 : x
  2. Step 2: Convert to fraction form
    22,138.34/30,550.02 = 12,066.57/x
  3. Step 3: Cross multiply
    22,138.34x = 30,550.02 × 12,066.57
  4. Step 4: Simplify right side
    22,138.34x = 368,633,954.83
  5. Step 5: Solve for x
    x = 368,633,954.83/22,138.34
  6. Step 6: Final answer
    x = 16,651.38

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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.