Home / 21,760.41-30,046.33-16,716.64

Finding the Fourth Proportional to 21,760.41, 30,046.33 and 16,716.64

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Solution

The fourth proportional to 21,760.41, 30,046.33 and 16,716.64 is: 23,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.41 : 30,046.33 = 16,716.64 : x
  2. Step 2: Convert to fraction form
    21,760.41/30,046.33 = 16,716.64/x
  3. Step 3: Cross multiply
    21,760.41x = 30,046.33 × 16,716.64
  4. Step 4: Simplify right side
    21,760.41x = 502,273,598.35
  5. Step 5: Solve for x
    x = 502,273,598.35/21,760.41
  6. Step 6: Final answer
    x = 23,081.99

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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.