Home / 18,961.39-26,166.30-10,463.19

Finding the Fourth Proportional to 18,961.39, 26,166.30 and 10,463.19

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Solution

The fourth proportional to 18,961.39, 26,166.30 and 10,463.19 is: 14,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.39 : 26,166.30 = 10,463.19 : x
  2. Step 2: Convert to fraction form
    18,961.39/26,166.30 = 10,463.19/x
  3. Step 3: Cross multiply
    18,961.39x = 26,166.30 × 10,463.19
  4. Step 4: Simplify right side
    18,961.39x = 273,782,968.50
  5. Step 5: Solve for x
    x = 273,782,968.50/18,961.39
  6. Step 6: Final answer
    x = 14,438.97

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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.