Home / 22,345.22-30,836.76-12,274.70

Finding the Fourth Proportional to 22,345.22, 30,836.76 and 12,274.70

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Solution

The fourth proportional to 22,345.22, 30,836.76 and 12,274.70 is: 16,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.22 : 30,836.76 = 12,274.70 : x
  2. Step 2: Convert to fraction form
    22,345.22/30,836.76 = 12,274.70/x
  3. Step 3: Cross multiply
    22,345.22x = 30,836.76 × 12,274.70
  4. Step 4: Simplify right side
    22,345.22x = 378,511,977.97
  5. Step 5: Solve for x
    x = 378,511,977.97/22,345.22
  6. Step 6: Final answer
    x = 16,939.28

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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.