Home / 21,232.08-31,789.68-16,022.16

Finding the Fourth Proportional to 21,232.08, 31,789.68 and 16,022.16

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Solution

The fourth proportional to 21,232.08, 31,789.68 and 16,022.16 is: 23,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.08 : 31,789.68 = 16,022.16 : x
  2. Step 2: Convert to fraction form
    21,232.08/31,789.68 = 16,022.16/x
  3. Step 3: Cross multiply
    21,232.08x = 31,789.68 × 16,022.16
  4. Step 4: Simplify right side
    21,232.08x = 509,339,339.31
  5. Step 5: Solve for x
    x = 509,339,339.31/21,232.08
  6. Step 6: Final answer
    x = 23,989.14

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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.