Home / 22,344.11-30,835.13-12,272.79

Finding the Fourth Proportional to 22,344.11, 30,835.13 and 12,272.79

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Solution

The fourth proportional to 22,344.11, 30,835.13 and 12,272.79 is: 16,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344.11 : 30,835.13 = 12,272.79 : x
  2. Step 2: Convert to fraction form
    22,344.11/30,835.13 = 12,272.79/x
  3. Step 3: Cross multiply
    22,344.11x = 30,835.13 × 12,272.79
  4. Step 4: Simplify right side
    22,344.11x = 378,432,898.12
  5. Step 5: Solve for x
    x = 378,432,898.12/22,344.11
  6. Step 6: Final answer
    x = 16,936.58

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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.