Home / 21,296.37-29,361.70-17,453.87

Finding the Fourth Proportional to 21,296.37, 29,361.70 and 17,453.87

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Solution

The fourth proportional to 21,296.37, 29,361.70 and 17,453.87 is: 24,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.37 : 29,361.70 = 17,453.87 : x
  2. Step 2: Convert to fraction form
    21,296.37/29,361.70 = 17,453.87/x
  3. Step 3: Cross multiply
    21,296.37x = 29,361.70 × 17,453.87
  4. Step 4: Simplify right side
    21,296.37x = 512,475,104.34
  5. Step 5: Solve for x
    x = 512,475,104.34/21,296.37
  6. Step 6: Final answer
    x = 24,063.97

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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.