Home / 18,871.24-26,060.14-12,168.92

Finding the Fourth Proportional to 18,871.24, 26,060.14 and 12,168.92

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Solution

The fourth proportional to 18,871.24, 26,060.14 and 12,168.92 is: 16,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,871.24 : 26,060.14 = 12,168.92 : x
  2. Step 2: Convert to fraction form
    18,871.24/26,060.14 = 12,168.92/x
  3. Step 3: Cross multiply
    18,871.24x = 26,060.14 × 12,168.92
  4. Step 4: Simplify right side
    18,871.24x = 317,123,758.85
  5. Step 5: Solve for x
    x = 317,123,758.85/18,871.24
  6. Step 6: Final answer
    x = 16,804.61

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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.