Home / 21,697.88-29,934.78-16,046.24

Finding the Fourth Proportional to 21,697.88, 29,934.78 and 16,046.24

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Solution

The fourth proportional to 21,697.88, 29,934.78 and 16,046.24 is: 22,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,697.88 : 29,934.78 = 16,046.24 : x
  2. Step 2: Convert to fraction form
    21,697.88/29,934.78 = 16,046.24/x
  3. Step 3: Cross multiply
    21,697.88x = 29,934.78 × 16,046.24
  4. Step 4: Simplify right side
    21,697.88x = 480,340,664.23
  5. Step 5: Solve for x
    x = 480,340,664.23/21,697.88
  6. Step 6: Final answer
    x = 22,137.68

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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.