Home / 21,375.91-32,037.57-11,996.24

Finding the Fourth Proportional to 21,375.91, 32,037.57 and 11,996.24

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Solution

The fourth proportional to 21,375.91, 32,037.57 and 11,996.24 is: 17,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.91 : 32,037.57 = 11,996.24 : x
  2. Step 2: Convert to fraction form
    21,375.91/32,037.57 = 11,996.24/x
  3. Step 3: Cross multiply
    21,375.91x = 32,037.57 × 11,996.24
  4. Step 4: Simplify right side
    21,375.91x = 384,330,378.74
  5. Step 5: Solve for x
    x = 384,330,378.74/21,375.91
  6. Step 6: Final answer
    x = 17,979.60

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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.