Home / 30,156.11-41,588.17-18,826.64

Finding the Fourth Proportional to 30,156.11, 41,588.17 and 18,826.64

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Solution

The fourth proportional to 30,156.11, 41,588.17 and 18,826.64 is: 25,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.11 : 41,588.17 = 18,826.64 : x
  2. Step 2: Convert to fraction form
    30,156.11/41,588.17 = 18,826.64/x
  3. Step 3: Cross multiply
    30,156.11x = 41,588.17 × 18,826.64
  4. Step 4: Simplify right side
    30,156.11x = 782,965,504.85
  5. Step 5: Solve for x
    x = 782,965,504.85/30,156.11
  6. Step 6: Final answer
    x = 25,963.74

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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.