Home / 20,726.05-28,601.06-11,773.53

Finding the Fourth Proportional to 20,726.05, 28,601.06 and 11,773.53

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Solution

The fourth proportional to 20,726.05, 28,601.06 and 11,773.53 is: 16,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726.05 : 28,601.06 = 11,773.53 : x
  2. Step 2: Convert to fraction form
    20,726.05/28,601.06 = 11,773.53/x
  3. Step 3: Cross multiply
    20,726.05x = 28,601.06 × 11,773.53
  4. Step 4: Simplify right side
    20,726.05x = 336,735,437.94
  5. Step 5: Solve for x
    x = 336,735,437.94/20,726.05
  6. Step 6: Final answer
    x = 16,246.97

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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.