Home / 22,349.70-30,841.07-12,278.84

Finding the Fourth Proportional to 22,349.70, 30,841.07 and 12,278.84

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Solution

The fourth proportional to 22,349.70, 30,841.07 and 12,278.84 is: 16,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.70 : 30,841.07 = 12,278.84 : x
  2. Step 2: Convert to fraction form
    22,349.70/30,841.07 = 12,278.84/x
  3. Step 3: Cross multiply
    22,349.70x = 30,841.07 × 12,278.84
  4. Step 4: Simplify right side
    22,349.70x = 378,692,348.36
  5. Step 5: Solve for x
    x = 378,692,348.36/22,349.70
  6. Step 6: Final answer
    x = 16,943.96

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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.