Home / 21,601.82-32,403.24-5,806.87

Finding the Fourth Proportional to 21,601.82, 32,403.24 and 5,806.87

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Solution

The fourth proportional to 21,601.82, 32,403.24 and 5,806.87 is: 8,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.82 : 32,403.24 = 5,806.87 : x
  2. Step 2: Convert to fraction form
    21,601.82/32,403.24 = 5,806.87/x
  3. Step 3: Cross multiply
    21,601.82x = 32,403.24 × 5,806.87
  4. Step 4: Simplify right side
    21,601.82x = 188,161,402.26
  5. Step 5: Solve for x
    x = 188,161,402.26/21,601.82
  6. Step 6: Final answer
    x = 8,710.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.