Home / 13,726.27-18,946.70-8,060.87

Finding the Fourth Proportional to 13,726.27, 18,946.70 and 8,060.87

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Solution

The fourth proportional to 13,726.27, 18,946.70 and 8,060.87 is: 11,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.27 : 18,946.70 = 8,060.87 : x
  2. Step 2: Convert to fraction form
    13,726.27/18,946.70 = 8,060.87/x
  3. Step 3: Cross multiply
    13,726.27x = 18,946.70 × 8,060.87
  4. Step 4: Simplify right side
    13,726.27x = 152,726,922.92
  5. Step 5: Solve for x
    x = 152,726,922.92/13,726.27
  6. Step 6: Final answer
    x = 11,126.61

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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.