Home / 18,371.68-25,352.40-11,296.96

Finding the Fourth Proportional to 18,371.68, 25,352.40 and 11,296.96

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Solution

The fourth proportional to 18,371.68, 25,352.40 and 11,296.96 is: 15,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.68 : 25,352.40 = 11,296.96 : x
  2. Step 2: Convert to fraction form
    18,371.68/25,352.40 = 11,296.96/x
  3. Step 3: Cross multiply
    18,371.68x = 25,352.40 × 11,296.96
  4. Step 4: Simplify right side
    18,371.68x = 286,405,048.70
  5. Step 5: Solve for x
    x = 286,405,048.70/18,371.68
  6. Step 6: Final answer
    x = 15,589.49

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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.