Home / 19,382.95-26,754.24-11,427.76

Finding the Fourth Proportional to 19,382.95, 26,754.24 and 11,427.76

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Solution

The fourth proportional to 19,382.95, 26,754.24 and 11,427.76 is: 15,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.95 : 26,754.24 = 11,427.76 : x
  2. Step 2: Convert to fraction form
    19,382.95/26,754.24 = 11,427.76/x
  3. Step 3: Cross multiply
    19,382.95x = 26,754.24 × 11,427.76
  4. Step 4: Simplify right side
    19,382.95x = 305,741,033.70
  5. Step 5: Solve for x
    x = 305,741,033.70/19,382.95
  6. Step 6: Final answer
    x = 15,773.71

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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.