Home / 22,042.32-30,418.65-11,970.87

Finding the Fourth Proportional to 22,042.32, 30,418.65 and 11,970.87

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Solution

The fourth proportional to 22,042.32, 30,418.65 and 11,970.87 is: 16,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.32 : 30,418.65 = 11,970.87 : x
  2. Step 2: Convert to fraction form
    22,042.32/30,418.65 = 11,970.87/x
  3. Step 3: Cross multiply
    22,042.32x = 30,418.65 × 11,970.87
  4. Step 4: Simplify right side
    22,042.32x = 364,137,704.73
  5. Step 5: Solve for x
    x = 364,137,704.73/22,042.32
  6. Step 6: Final answer
    x = 16,519.94

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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.