Home / 22,138.32-30,549.98-12,066.56

Finding the Fourth Proportional to 22,138.32, 30,549.98 and 12,066.56

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Solution

The fourth proportional to 22,138.32, 30,549.98 and 12,066.56 is: 16,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.32 : 30,549.98 = 12,066.56 : x
  2. Step 2: Convert to fraction form
    22,138.32/30,549.98 = 12,066.56/x
  3. Step 3: Cross multiply
    22,138.32x = 30,549.98 × 12,066.56
  4. Step 4: Simplify right side
    22,138.32x = 368,633,044.09
  5. Step 5: Solve for x
    x = 368,633,044.09/22,138.32
  6. Step 6: Final answer
    x = 16,651.36

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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.