Home / 21,367.10-29,467.08-16,321.94

Finding the Fourth Proportional to 21,367.10, 29,467.08 and 16,321.94

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Solution

The fourth proportional to 21,367.10, 29,467.08 and 16,321.94 is: 22,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.10 : 29,467.08 = 16,321.94 : x
  2. Step 2: Convert to fraction form
    21,367.10/29,467.08 = 16,321.94/x
  3. Step 3: Cross multiply
    21,367.10x = 29,467.08 × 16,321.94
  4. Step 4: Simplify right side
    21,367.10x = 480,959,764.40
  5. Step 5: Solve for x
    x = 480,959,764.40/21,367.10
  6. Step 6: Final answer
    x = 22,509.37

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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.