Home / 22,137.88-30,550.08-12,066.32

Finding the Fourth Proportional to 22,137.88, 30,550.08 and 12,066.32

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Solution

The fourth proportional to 22,137.88, 30,550.08 and 12,066.32 is: 16,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.88 : 30,550.08 = 12,066.32 : x
  2. Step 2: Convert to fraction form
    22,137.88/30,550.08 = 12,066.32/x
  3. Step 3: Cross multiply
    22,137.88x = 30,550.08 × 12,066.32
  4. Step 4: Simplify right side
    22,137.88x = 368,627,117.68
  5. Step 5: Solve for x
    x = 368,627,117.68/22,137.88
  6. Step 6: Final answer
    x = 16,651.42

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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.