Home / 18,961.85-26,167.18-10,464.05

Finding the Fourth Proportional to 18,961.85, 26,167.18 and 10,464.05

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Solution

The fourth proportional to 18,961.85, 26,167.18 and 10,464.05 is: 14,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.85 : 26,167.18 = 10,464.05 : x
  2. Step 2: Convert to fraction form
    18,961.85/26,167.18 = 10,464.05/x
  3. Step 3: Cross multiply
    18,961.85x = 26,167.18 × 10,464.05
  4. Step 4: Simplify right side
    18,961.85x = 273,814,679.88
  5. Step 5: Solve for x
    x = 273,814,679.88/18,961.85
  6. Step 6: Final answer
    x = 14,440.29

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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.