Home / 19,385.66-26,755.08-11,836.34

Finding the Fourth Proportional to 19,385.66, 26,755.08 and 11,836.34

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Solution

The fourth proportional to 19,385.66, 26,755.08 and 11,836.34 is: 16,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.66 : 26,755.08 = 11,836.34 : x
  2. Step 2: Convert to fraction form
    19,385.66/26,755.08 = 11,836.34/x
  3. Step 3: Cross multiply
    19,385.66x = 26,755.08 × 11,836.34
  4. Step 4: Simplify right side
    19,385.66x = 316,682,223.61
  5. Step 5: Solve for x
    x = 316,682,223.61/19,385.66
  6. Step 6: Final answer
    x = 16,335.90

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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.