Home / 22,116.21-30,520.33-12,044.64

Finding the Fourth Proportional to 22,116.21, 30,520.33 and 12,044.64

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Solution

The fourth proportional to 22,116.21, 30,520.33 and 12,044.64 is: 16,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.21 : 30,520.33 = 12,044.64 : x
  2. Step 2: Convert to fraction form
    22,116.21/30,520.33 = 12,044.64/x
  3. Step 3: Cross multiply
    22,116.21x = 30,520.33 × 12,044.64
  4. Step 4: Simplify right side
    22,116.21x = 367,606,387.53
  5. Step 5: Solve for x
    x = 367,606,387.53/22,116.21
  6. Step 6: Final answer
    x = 16,621.58

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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.