Home / 19,385.70-26,755.20-11,836.44

Finding the Fourth Proportional to 19,385.70, 26,755.20 and 11,836.44

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Solution

The fourth proportional to 19,385.70, 26,755.20 and 11,836.44 is: 16,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.70 : 26,755.20 = 11,836.44 : x
  2. Step 2: Convert to fraction form
    19,385.70/26,755.20 = 11,836.44/x
  3. Step 3: Cross multiply
    19,385.70x = 26,755.20 × 11,836.44
  4. Step 4: Simplify right side
    19,385.70x = 316,686,319.49
  5. Step 5: Solve for x
    x = 316,686,319.49/19,385.70
  6. Step 6: Final answer
    x = 16,336.08

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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.