Home / 22,037.70-30,411.84-11,965.94

Finding the Fourth Proportional to 22,037.70, 30,411.84 and 11,965.94

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Solution

The fourth proportional to 22,037.70, 30,411.84 and 11,965.94 is: 16,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.70 : 30,411.84 = 11,965.94 : x
  2. Step 2: Convert to fraction form
    22,037.70/30,411.84 = 11,965.94/x
  3. Step 3: Cross multiply
    22,037.70x = 30,411.84 × 11,965.94
  4. Step 4: Simplify right side
    22,037.70x = 363,906,100.67
  5. Step 5: Solve for x
    x = 363,906,100.67/22,037.70
  6. Step 6: Final answer
    x = 16,512.89

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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.